{"title":"Physics","description":"Physics tools and devices are essential for experimental courses in various student labs. Lab Pro Inc can supply you with a vast array of the finest physics tools and devices such as thermal conductivity bars, spouting cylinders, mini projectile launchers, electric calorimeters, and a whole lot more.\u003cbr\u003e\n\nGive us a call or chat with a customer service representative for live technical support. We also offer next-day service in California and same-day service for will-calls.\u003cbr\u003e\n\u003c!-- split --\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/science-education\"\u003e Science Education \u003c\/a\u003e\u003c\/li\u003e","products":[{"product_id":"hookes-law-spring-set-of-5-spgrs5","title":"Hooke's Law Spring Set Of 5 - SPGRS5","description":"A set of 5 springs with different spring constants. The forces required for a 1 cm extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N respectively. Pre-stress has been removed for accurate results. With a hook to support a weight hanger and a red arrow to indicate position.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Hooke's Law Spring Set Of 5\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 6 X 4 X 1 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Mechanics\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01047e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37109039857833,"sku":"SPGRS5","price":13.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/spgrs5-hookes-law-spring-set.jpg?v=1709868529"},{"product_id":"franck-hertz-apparatus-ii-fha002","title":"Franck-Hertz Apparatus Ii - FHA002","description":"The Franck-Hertz Apparatus II is an improved model of the well-known Franck-Hertz Apparatus (FHA001), featuring updated electronics with better stabilization and digital readouts for voltage and current (more robust, easier to read correctly). New fully shielded coax cables reduce electrical noise.\n\nThe Franck-Hertz Experiment yields basic evidence for the existence of quantum states. Inside a vacuum tube filled with a trace of argon gas, a beam of electrons is generated and accelerated towards a counterelectrode. A voltage barrier ahead of the counter electrode only allows electrons with a certain minimum energy to get through and make a detectable current. As the accelerating energy is increased, changes in the current are observed. On the way to the counter electrode, the electrons collide with argon atoms. At first, nothing happens, but as the electron energy rises, it reaches enough to give one quantum of energy to the argon to ionize it. Now the electron can’t pass the voltage barrier and the cur-rent drops. The multiple valleys in the current curve are evidence of the donations of a quantum of energy.\n\nRequires user-supplied dual-channel oscilloscope for automatic scan.\n\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Franck-Hertz Apparatus Ii\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 19 X 18 X 10 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Advanced Physics\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01047e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37109039890601,"sku":"FHA002","price":3622.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/fha002-franck-hertz-apparatus-ii.jpg?v=1709866217"},{"product_id":"density-kit-dnskit-c","title":"Density Kit - DNSKIT-C","description":"This kit is ideal for teaching students how to make measurements in the metric system and then apply those measurements to determine density using the formula Density = Mass\/Volume. Includes metric ruler, aluminum bar 76 x 25 x 6mm, aluminum cubes 13mm (2), steel sphere 13mm and glass sphere 13mm. Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Density kit\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 7 X 1 X 1 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 7326.90.8588\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110345498793,"sku":"DNSKIT-C","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/dnskit-c-density-kit.jpg?v=1709865837"},{"product_id":"wimshurst-generator-wims02","title":"Wimshurst Generator - WIMS02","description":"We offer a superior quality Wimshurst machine for\ndemonstrating high voltage electric charges. Our unit\nfeatures acrylic rotating disks, good quality foil strips\nand brushes, insulated cylindrical capacitors, and\na durable plastic platform. Guaranteed to produce\nlarge sparks for easy classroom demonstration. Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Wimshurst Generator\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 20 X 15 X 19 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01049e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110345531561,"sku":"WIMS02","price":208.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/wims02-wimshurst-generator.jpg?v=1709869155"},{"product_id":"electrostatics-kit-elskit","title":"Electrostatics Kit - ELSKIT","description":"The Electrostatics Kit is a collection of materials designed for students to\ninvestigate the creation of charges through friction between various rods and\nfabrics. Contents include Hollow Glass Friction Rod (1), Glass Friction Rod, Half Ground (1), Ebonite Rod (1), String, 10' (1), Balloons (3), Silk Pad, 6\" (1), Faux Fur Pad, 6\" (1) and Flannel Pad, 6\" (1).\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Electrostatics Kit\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 9 X 7 X 5 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110346055849,"sku":"ELSKIT","price":27.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/elskit-electrostatics-kit.jpg?v=1709865922"},{"product_id":"electrostatics-lab-elslab","title":"Electrostatics Lab - ELSLAB","description":"Demonstrate multiple electrostatic principles: electrophorus, charging\nelectroscopes by induction and contact, electrostatic attraction, repulsion and\ninduction, Faraday’s ice pail experiment, and surface distribution of the charge.\nContents include: Electroscopes with ball terminals, charge transfers rods, disks\nterminals for electroscopes, glass beaker, Faraday cage with cover, insulated base\nfor Faraday cage, aluminum can, electrophorus plates and handle, pith balls,\ncharge transfer ball, acrylic sheet, neon bulb, insulated point, acetate cloth, and\nfriction rods (polyethylene, PVC, acrylic, glass, nylon, polystyrene). Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Electrostatics Lab\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 10 X 10 X 10 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110346252457,"sku":"ELSLAB","price":93.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/elslab-electrostatics-lab.jpg?v=1709865924"},{"product_id":"spark-timer-spark1","title":"Spark Timer - SPARK1","description":"Spark timer is used for measuring velocity and acceleration of falling or moving\nobjects. When the tape is pulled through the timer a spark is created which burns\ntiny dots in the tape at a precise and same interval. The faster the tape is pulled\nthrough the timer the larger the distance between the dots. This allows students\nto calculate the acceleration. Spark tape, carbon disks, weight and clamp are\nincluded. Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Spark Timer\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 7 X 5 X 3 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Measurement\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110346285225,"sku":"SPARK1","price":52.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/spark1-spark-timer.jpg?v=1709868512"},{"product_id":"van-de-graaff-generator-small-electric-vandgf1-se","title":"Van De Graaff Generator, Small Electric - VANDGF1-SE","description":"This excellent quality electrostatic generator consists of a charge generation\nsystem, an aluminum collector sphere and an electric motor drive on a sturdy\nbase. The charge generation system is based on a moving neoprene belt mounted\non insulating rollers with metal charge transfer combs. The system is housed\nin a clear tube that allows for easy viewing of the moving parts. A 100,000 volt\npotential can be generated. Requires a 110 VAC outlet. Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Van De Graaff Generator, Small Electric\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 17 X 13 X 22 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110346350761,"sku":"VANDGF1-SE","price":344.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/vandgf1-se-van-de-graaff-generator-small-electric.jpg?v=1709868951"},{"product_id":"deluxe-current-balance-dcba01-kit","title":"Deluxe Current Balance - DCBA01-KIT","description":"This kit includes an air core solenoid and a current balance for demonstrating\nand measuring the small force experienced by a conductor carrying an\nelectric current in a magnetic field. To run the experiment, one half of the\ncurrent balance is placed inside the solenoid. The other half has an adjustable\ncounterweight and can carry light additional masses. When current is supplied\nto the balance and solenoid from an external power supply, the balance deflects.\nAdding light masses until balance is restored allows the force on the conductor to\nbe measured. Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Deluxe Current Balance\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 9 X 7 X 7 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 3.12515e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110346940585,"sku":"DCBA01-KIT","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/dcba01-kit-deluxe-current-balance.jpg?v=1709865724"},{"product_id":"loop-the-loop-track-loop01","title":"Loop The Loop Track - LOOP01","description":"The Loop the Loop Track demonstrates centripetal acceleration and the\ntransformation of potential energy into kinetic energy. Included is a sturdy base\nwith rubber feet, metal ramp with loop, 16mm steel ball and 19mm steel ball.\nThe metal ramp with loop features a net at the end of the loop to receive the\nsteel ball. Includes activity guide.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Loop The Loop Track\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 29 X 9 X 2.5 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Mechanics\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110346973353,"sku":"LOOP01","price":40.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/loop01-loop-the-loop-track.jpg?v=1709866983"},{"product_id":"newtons-ring-appartus-newrin2","title":"Newton's Ring Appartus - NEWRIN2","description":"The Newton’s Rings Apparatus consists of a plano-convex lens on top of a flat\nglass plate, held together by a plastic frame. The pressure between the lens\nand the plate can be adjusted by means of three thumbscrews.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Newton's Ring Appartus\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 2.5 X 2.5 X 2 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Optics\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01046e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110347366569,"sku":"NEWRIN2","price":21.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/newrin2-newtons-ring-apparatus.jpg?v=1709867363"},{"product_id":"led-stroboscope-strobe01","title":"Led Stroboscope - STROBE01","description":"This unique hand-held stroboscope was made possible by the development of high-power LEDs. The 30W Super-LED delivers bright flashes at adjustable rates from 1 Hz to 250 Hz, ideal for the motion rates encountered in lab situations. Features magnetic pads on back for attaching to vertical steel surfaces.\n\nSpecifications:\nDisplay modes: Frequency (Hz or RPM)\nFrequency range: 1.0 - 250.0 Hz; 1 - 15,000 RPM\nFrequency resolution: 0.1 Hz; 1 RPM\nFrequency adjustment modes:\n      Frequency doubling (X2)\n      Frequency halving (÷2)\n      Incremental by 0.1 Hz\/1 RPM (+, -)\nBulb Power: 30 W LED\nDimensions: 18cm x 6cm x 4cm\nBatteries: Four “AAA” (not included)\nBattery life: 3 hours continuous use\n\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Led Stroboscope\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 9 X 4.5 X 3.5 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Optics\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9029.20.6000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110347399337,"sku":"STROBE01","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/strobe01-led-stroboscope-alt.jpg?v=1709868707"},{"product_id":"van-de-graff-generator-dual-drive-vandgf1-dd","title":"Van De Graff Generator, Dual Drive - VANDGF1-DD","description":"This large van de Graaff generator uniquely offers alternative drive\nmodes, either hand-cranked or motor driven. Excellently constructed, the\ngenerator reliably delivers charge and sparks 10cm long and more\nimmediately on setting it in motion, even under high humidity conditions.\nIn hand-cranked mode the amount of charge generated can be seen to\nincrease at higher cranking speeds, while the much faster motor-driven\nmode delivers a fast succession of sparks. The generator is 76cm high\nand features a 28cm diameter polished steel sphere, which is less\nvulnerable to dents and scratches than comparably sized aluminum\nspheres. A further unique feature of this generator is a built-in lamp close\nto the bottom of the belt that delivers a small amount of UV light when\nturned on. This can be seen to increase the charge production. A set of\naccessories is included, containing a discharge wand with a grounding\ncord, an electric plume, an electric whirl, a discharge bulb, a cord for\nconnecting other electrostatic demonstration items, a spare charge belt\nand a spare motor drive belt. The generator measures 38cm x 23cm x\n76cm.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Van De Graaff Generator, Dual Drive\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 17 X 13 X 22 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348251305,"sku":"VANDGF1-DD","price":625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/vandgf1-dd-van-de-graaff-dual-drive-generator.jpg?v=1709868947"},{"product_id":"replacement-belt-for-van-de-graff-generator-vandgf1-rb","title":"Replacement Belt For Van De Graff Generator - VANDGF1-RB","description":"Replacement band for Van de Graaff Generator\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Belt For Van De Graaff Generator\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 6 X 5 X 3 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348284073,"sku":"VANDGF1-RB","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/vandgf1-rb-replacement-belt-van-de-graaff-generator-dual-drive.jpg?v=1709868949"},{"product_id":"gas-measuring-tube-borosilicate-50ml-gtube50","title":"Gas Measuring Tube, Borosilicate, 50ml - GTUBE50","description":"Gas measuring tube is made from borosilicate glass and features resilient white\nenamel graduations from the top down. The tube is closed at the zero end for gas\nmeasurement.\nSpecifications:\n• Tube Capacity: 50ml\n• Length: 650mm\n• Diameter: 13mm\n• Graduation Interval: 0.5ml\n• Graduation Range: 0.5 to 50ml\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Gas Measuring Tube, Borosilicate, 50ml\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 20 X 1 X 1 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 7017.90.5000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01046e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348578985,"sku":"GTUBE50","price":20.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/gtube50-glass-measuring-tube.jpg?v=1709866437"},{"product_id":"air-core-solenoid-acs001","title":"Air Core Solenoid - ACS001","description":"A convenient, well-made solenoid for investigating the magnetic field of a coil and for the current balance experiment. The clear acrylic former and the large diameter (90mm) allow items placed inside the coil to be easily seen.\n\nFive tappings give easy access to windings of 100, 200, 300, 400 and 500 turns by simply moving one plug between the five red binding posts.\n\nThe coil has a total resistance of 20 ?, or 4 ? per 100 windings and can carryup to 1.5A of current in a single 100-turn segment, allowing a 6VDC power source to be used (and up to 12V for the full 500 turns).\n\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Air Core Solenoid\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 6 X 6 X 8 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 3.12515e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348677289,"sku":"ACS001","price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/acs001-air-core-solenoid.jpg?v=1709864856"},{"product_id":"current-balance-cba001","title":"Current Balance - CBA001","description":"The classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field. One half of the balance is placed inside a solenoid. The other half has an adjustable counterweight and can carry light additional masses. When current is supplied to the balance and the solenoid from an external power supply, the balance deflects. Adding light masses until balance is restored allows the force on the conductor to be measured.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Current Balance\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 9 X 3 X 2 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01049e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348710057,"sku":"CBA001","price":24.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/cba001-current-balance.jpg?v=1709865339"},{"product_id":"conductivity-tester-cndt01","title":"Conductivity Tester - CNDT01","description":"This handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts. Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs that range from 1 to 10. Each probe is 53mm long with a diameter of 3mm. Overall length of the meter and probes together is 14cm. Includes a 12V battery and operating instructions.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Conductivity Tester\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 6 X 3 X 2 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9030.31.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01049e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348906665,"sku":"CNDT01","price":39.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/cndt01-conductivity-tester-alt.jpg?v=1709865514"},{"product_id":"led-array-leda01","title":"Led Array - LEDA01","description":"The vertically-aligned set of LEDs make an easy and dramatic demonstration of the relationship between the color and wavelength of light. The spectral range of each LED can be investigated with a spectrometer, or just viewed for comparisons with each other and with the “white” LED spectrum. Each LED can be turned on individually with the rotary switch on the top of the column. Includes power supply.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Led Array\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 5 X 5 X 15 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Light\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110348939433,"sku":"LEDA01","price":141.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/leda01-led-array-alt.jpg?v=1709866924"},{"product_id":"digital-luxmeter-lxm001","title":"Digital Luxmeter - LXM001","description":"This ingenious device offers a practical and economical solution for light measurements in a variety of learning situations. Whether measuring environmental light or quantifying an optical experiment, this compact luxmeter meets the need. For most uses, the autoranging feature makes this a one-button-and-done instrument. Readings stabilize quickly and range from 0-200,000 Lux or 0-18,500 Fc. The auto power-off (after 5 minutes of no activity) conserves battery power, and for the times where more data is required, the MAX, MIN, HOLD, and difference functions are readily accessed. A threaded socket for tripod mounting is provided on the back of the case.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Digital Luxmeter\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 8 X 3 X 2 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Light\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9030.89.0100\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 4.11153e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110349463721,"sku":"LXM001","price":47.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/lxm001-digital-lux-meter.jpg?v=1709867018"},{"product_id":"light-leaper-accessory-lla001","title":"Light Leaper Accessory - LLA001","description":"This is a popular accessory for electrostatic demonstrations. An insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end. When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge flows between the poles of the generator. Will work with Wimshurst or Van de Graff generators.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Light Leaper Accessory\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 8 X 5 X 1 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Electricity\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01049e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110349562025,"sku":"LLA001","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/lla001-light-leaper-accessory-alt.jpg?v=1709866926"},{"product_id":"mini-projectile-launcher-mpl001","title":"Mini Projectile Launcher - MPL001","description":"This simple but precise launcher projects 16 mm steel balls at ranges suitable for use on the bench top or from the bench to the floor. A protractor and plumb line make it easy to set any required launch angle from 45° downwards to straight up. Three different spring tensions give three repeatable launch speeds (ranges of 1m, 1.5m and 2m) and a magnetic piston ensures that the ball does not touch the side of the barrel and launches straight every time. A cable release gives a smooth triggering to prevent jerking. The unit can stand on its own or be fixed to the bench with a clamp.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Mini Projectile Launcher\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 5 X 7 X 10 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Mechanics\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01046e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110351495337,"sku":"MPL001","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/mpl001-mini-projectile-launcher-alt.jpg?v=1709867243"},{"product_id":"vibrations-and-waves-set-vws001","title":"Vibrations And Waves Set - VWS001","description":"This comprehensive and economical set is based on a mechanical vibration generator and a sine wave signal generator and includes a support system and a range of accessories. The important basic types of mechanical vibrations and waves can be investigated: Transverse standing waves on a vibrating string, Longitudinal standing waves on a helical spring, Standing waves on a hoop (model of atomic quantization), Resonant vibrations of metal strips, Resonance patterns on round and square vibrating plates (Chladni plates).\n\nFeatures: Experiments are performed on a stable and easy-to-use extruded bench, Robust and reliable mechanical generator, Amplified sine wave generator with large, 3-digit frequency display, Two frequency ranges: 1—400Hz x 1Hz, 0.01—4.00kHz x 0.01kHz, Excellent, easily visible results.\n\nThe wide range of accessories allows both of the fundamental topics of transverse and longitudinal waves to be demonstrated and enables further investigation of resonance phenomena in various systems from the famous and basic waves-on-a-string to the advanced and complex nodal patterns on vibrating plates---a great value!\n\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Vibrations And Waves Set\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 28 X 12 X 6 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Waves\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01048e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110351560873,"sku":"VWS001","price":352.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/vws001-vibration-and-waves-set.jpg?v=1709868962"},{"product_id":"vibration-generator-set-vwg002","title":"Vibration Generator Set - VWG002","description":"A comprehensive set of mechanical vibration and wave motion apparatus based on a sturdy, reliable vibration generator that can be used with any frequency generator that can deliver a signal of up to 1A. The piston delivers an amplitude of up to 7 mm, depending on the load and frequency. The generator can be used on the bench or attached to stand material via a threaded socket on the bottom surface. The accessories include a wire hoop and a set of vibrating metal strips for mechanical resonance studies as well as a spiral spring and an elastic cord for wave investigations.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Vibration Generator Set\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 14 X 14 X 8 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Waves\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01048e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110351593641,"sku":"VWG002","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/vwg002-vibration-generator-set-alt.jpg?v=1709868960"},{"product_id":"thermal-conductivity-bars-cbr001","title":"Thermal Conductivity Bars - CBR001","description":"This simple and ingenious device quickly and graphically shows students how different metals conduct heat at different rates. It consists of four identically-sized bars of common metals - steel, brass, aluminum, and copper - mounted parallel to one another in a plastic support. Attached to each bar is a liquid crystal thermometer. When the ends of the bars are immersed in hot water, the thermometers quickly show the progress of heat along each bar. Students can measure the time for the tops of the bars to reach the top display temperature (42°C) and discover how well each metal conducts heat.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Thermal Conductivity Bars\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 9 X 3 X 3 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01047e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110351790249,"sku":"CBR001","price":51.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/cbr001-thermal-conductivity-bars.jpg?v=1709865344"},{"product_id":"electric-calorimeter-clre02","title":"Electric Calorimeter - CLRE02","description":"\u003cdiv class=\"product-description\" style=\"line-height:1.6;\"\u003e\n  \u003cdiv class=\"container\"\u003e\n\n    \u003cdiv class=\"description-content\" id=\"productDescription\" style=\"max-height: 280px; overflow: hidden; transition: max-height 0.6s ease;\"\u003e\n\n      \u003ch3\u003eDescription\u003c\/h3\u003e\n      \u003cp\u003e\u003cb\u003eKey performance benefit:\u003c\/b\u003e This calorimeter is designed to measure heat and energy changes and can also be used as a standard calorimeter in laboratory and educational experiments.\u003c\/p\u003e\n      \u003cp\u003e\u003cb\u003eMaterial \u0026amp; construction:\u003c\/b\u003e The calorimeter is constructed from aluminum and plastic and includes an inner container designed to hold liquid during calorimetry experiments.\u003c\/p\u003e\n      \u003cp\u003e\u003cb\u003eRisk reduction\/compliance benefit:\u003c\/b\u003e Controlled heat measurement ensures consistent results in calorimetry experiments and reduces experimental variability.\u003c\/p\u003e\n      \u003cp\u003e\u003cb\u003eProtection level:\u003c\/b\u003e Intended for standard laboratory and educational environments where heat and energy measurements are performed.\u003c\/p\u003e\n      \u003cp\u003e\u003cb\u003eComfort \u0026amp; usability:\u003c\/b\u003e The simple calorimeter design makes it easy for students and instructors to use during laboratory experiments.\u003c\/p\u003e\n      \u003cp\u003e\u003cb\u003eSafety \u0026amp; compliance assurance:\u003c\/b\u003e Designed for use in educational and laboratory settings following standard calorimetry practices.\u003c\/p\u003e\n\n      \u003ch4\u003eRecommended For\u003c\/h4\u003e\n      \u003cp style=\"margin-bottom:4px;\"\u003e• Heat and energy interchange experiments\u003c\/p\u003e\n      \u003cp style=\"margin-bottom:4px;\"\u003e• Specific studies\u003c\/p\u003e\n      \u003cp style=\"margin-bottom:4px;\"\u003e• Temperature measurement experiments\u003c\/p\u003e\n      \u003cp style=\"margin-bottom:4px;\"\u003e• Physics classroom demonstrations\u003c\/p\u003e\n      \u003cp style=\"margin-bottom:4px;\"\u003e• Educational laboratory use\u003c\/p\u003e\n      \u003cp style=\"margin-bottom:8px;\"\u003e• Introductory calorimetry workflows\u003c\/p\u003e\n\n      \u003ch4\u003eProduct Details\u003c\/h4\u003e\n      \u003ctable class=\"table table-bordered\" style=\"margin-top:6px; margin-bottom:18px; border-collapse: collapse; width:100%;\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ccc; padding:8px;\"\u003e\u003cb\u003eProduct type\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ccc; padding:8px;\"\u003eCalorimeter\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ccc; padding:8px;\"\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ccc; padding:8px;\"\u003eAluminum and plastic\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ccc; padding:8px;\"\u003e\u003cb\u003eLiquid capacity\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ccc; padding:8px;\"\u003e175 mL\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ccc; 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Each material is represented by a 1\/2”, 1” and 1-1\/2” cube. Materials included are acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel. Includes a reference table showing density values of individual specimens.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Density Cube Set Of 24\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 16 X 11 X 3 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 7326.90.8588\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01046e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110352347305,"sku":"DCSET24","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/dcset24-density-cube-set.jpg?v=1709865780"},{"product_id":"precision-boyles-law-apparatus-pbla01","title":"Precision Boyle's Law Apparatus - PBLA01","description":"Based on proven designs, this updated Boyle’s Law Apparatus permits a quantitative verification of Boyle’s Law to be quickly and easily performed. The results are reliable and more convincing than measurements obtained from a simple syringe-based apparatus.\n\nThe air sample is enclosed in a thick-walled glass tube of constant bore, so that the length of the air column is strictly proportional to the gas volume. Hydraulic oil seals the air sample in the tube and partially fills a reservoir, so the pressure in the reservoir equals the pressure in the air sample. The pressure is measured by an absolute pressure dial gauge with a range of 0 - 500kPa.\n\nPressure is applied using a supplied high pressure bicycle pump, which allows precise fine control for making a large series of measurements or for using the volume proportions method. A needle valve allows for controlled pressure release and a vent knob is provided for the tube.\n\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Precision Boyle's Law Apparatus\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 10 X 10 X 30 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01047e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e CHINA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110352380073,"sku":"PBLA01","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/pbla01-boyles-law-apparatus-alt.jpg?v=1709867726"},{"product_id":"spouting-cylinder-cysp01","title":"Spouting Cylinder - CYSP01","description":"Demonstrate Torricelli’s theorem to show the relationship between water pressure and depth. This clear acrylic cylinder, 19-5\/16” high, includes three vertically aligned spouting nozzles positioned 4-3\/4” apart. Each spouting nozzle also includes a stopper so pressure at each height can be shown individually. A filler hose barb at the top can be used to quickly refill the cylinder or maintain a constant water depth.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Spouting Cylinder\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 5 X 5 X 21 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 9023.00.0000\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01062e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110352412841,"sku":"CYSP01","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/cysp01-spouting-cylinder.jpg?v=1709865697"},{"product_id":"happy-sad-ball-set-hsb002","title":"Happy\/Sad Ball Set - HSB002","description":"Set of two black rubber balls, each 1-3\/8” in diameter, appear to be identical in terms of appearance and mass but are manufactured from different types of rubber. When dropped on a hard surface from an equal height, the happy ball bounces high and the sad ball barely bounces at all. The happy ball also rolls faster than the sad ball. Provides an interesting and memorable demonstration for studying elasticity, kinetic energy, and polymer composition.\u003cbr\u003e\u003cb\u003eAdditional Info:\u003c\/b\u003e Happy\/Sad Ball Set\u003cbr\u003e\u003cb\u003ePackage Size(L x W x H):\u003c\/b\u003e 3 X 2 X 1 (IN)\u003cbr\u003e\u003cb\u003eCategories:\u003c\/b\u003e Physics, Matter\u003cbr\u003e\u003cb\u003eHTS Code:\u003c\/b\u003e 4016.93.5010\u003cbr\u003e\u003cb\u003eUNSPSC:\u003c\/b\u003e 6.01046e+007\u003cbr\u003e\u003cb\u003eCountry Of Origin:\u003c\/b\u003e INDIA","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":37110352871593,"sku":"HSB002","price":8.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5452\/9953\/products\/hsb002-happy-sad-balls.jpg?v=1709866486"},{"product_id":"compound-bar-set-bmset04","title":"Compound Bar Set - BMSET04","description":"Quick and easy tools for demonstrating thermal expansion. There are four bar combinations: Brass\/Aluminum, Brass\/Iron, Copper\/Iron, and Brass\/ Copper. Since each metal has a different coefficient of thermal expansion, they will create a unique curve when paired with a different metal.\n\nMetal bars are stamped with the identification of each metal, Aluminum (Al), Iron (Fe), Copper (Cu). The Brass bar is not stamped. 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