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Cast iron support ring (50 mm ID)
Grey cast iron clamp with thumbscrew for supporting laboratory apparatus.
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$6.50
SKU: 2038_01
Miniature 4.8V. 0.5A Lamps (Lightbulbs)
Small, low voltage bulbs
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$0.50
SKU: E10G11D
Student-Grade Magnetic Levitation Stick
Hands-on kit demonstrates magnetic levitation and physics principles interactively.
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$15
SKU: MAGPRINGSG
Cast iron support ring (72mm ID)
Black cast iron clamp with thumbscrew for supporting laboratory apparatus.
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$6.40
SKU: 2038_03
Steel Balls 1/8" Diameter
Tiny polished spheres for mechanics and magnetism experiments.
STEEL BALLS 1/8
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$3.75
SKU: SBALL3
Wind Racer Propeller Car Kit
Hands-on STEM kit with wooden parts and rubber-band propulsion.
Wind Racer Propeller Car Kit
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$16
SKU: RBCARPROP
Lead Ball, 1" Solid
Heavyweight projectile for various applications.
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$6.50
SKU: MSLD25
Alcohol Burner Lamp Portable Aluminum Alloy 50 ml
Lightweight alcohol burner with adjustable wick for lab heating tasks.
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$2.23
SKU: ALUMBURN

Testimonials

  • " This is a great simple kit to demonstrate basics of electrical wiring. We do this with middle school and even high school groups." 
    Product: Simple Electric Circuit
    Posted By: Joel Charles ⭐⭐⭐⭐⭐
  • " Great product. The perfect product for use as wine glass covers"
    Product: Watch Glasses, Wine glass covers, 100 mm., pack of 10
    Posted By: Kim N ⭐⭐⭐⭐⭐
  • " This is great for a demonstration on fire and explosions at our science center. I just wish the prices for the product had gone up--but it is still a better deal here than elsewhere. Thanks for that."
    Product: Lycopodium Powder, Dragon's Breath Flash Powder, club moss spores
    Posted By: Pernille ⭐⭐⭐⭐⭐
  • "We needed something to check linear feet of material being wound at our lab and this proved to be just the right thing. Quick, light, and after a few weeks of use, consistently accurate."
    Product: Feet Counter, Distance Measuring Wheels (Feet & Inches)
    Posted By: Daniel ⭐⭐⭐⭐⭐
  • " I was able to repair my gate keypad for $8. Much better than spending $65 for a new one and then having to reprogram it. It took all of 15 minutes to fix it. Most of the time was waiting for my soldering pencil to warm up. It's usually better to repair than replace."
    Product: 3 AA Battery Holder, 3 AA Battery Holder with Leads, 3 AA Battery Holder with wires
    Posted By: Larry Johannsen ⭐⭐⭐⭐⭐
  • " Works just like it should!!"
    Product: Sodium Metasilicate, Powder
    Posted By: Undisclosed customer ⭐⭐⭐⭐⭐
  • " First buzzer I ordered did not work, but this one works great."
    Product: Buzzer, Beeper, Low voltage 2-6 Volts, Round
    Posted By: Dan Holbrook ⭐⭐⭐⭐⭐
  • " Easy transaction and fast delivery. Will be ordering more. Very thankful for the picture of bulb with the penny. It helped me so much! "
    Product: Subminiature Light Bulb, E5.5, 6V, 40 mA, One unit
    Posted By: Angela ⭐⭐⭐⭐⭐
  • " New, fresh, highly flexible tubing. Perfect for gas supply lines in scientific applications! Excellent price and fast shipping! A "
    Product: Rubber Tubing ID=1/4, Wall=1/16, 10 feet roll, Red
    Posted By: Brian Anders ⭐⭐⭐⭐⭐
  • " Great product. Great way to teach kids the concept of circuits. The seller is wonderful to work with. We'll be a repeat customer."
    Product: Simple Electric Circuit
    Posted By: Paul Dickinson ⭐⭐⭐⭐⭐
  • " Saved over a hundred dollars not having to buy a kit that included this battery from a lock manufacturer. Worked perfect. May even be the OEM supplier."
    Product: 4 AA Battery Holder, 4 AA Battery Holder with Leads, 4 AA Battery Holder with Wires (Square)
    Posted By: N/A ⭐⭐⭐⭐⭐
  • " This magnet is perfect for teaching kids science. It is very strong compared to other kids magnets but not so strong that it would be a danger to children. This was exactly what I was looking for."
    Product: ALNICO Bar Magnet
    Posted By: Jim Fallin ⭐⭐⭐⭐⭐
  • " Great Gauss accelerator kit - the two wooden sticks provide a good rail, and the magnets and balls are good quality and the perfect size. Students tremendously enjoyed this"
    Product: Gauss Rifle (Magnetic Linear Accelerator)
    Posted By: Markus Greiner ⭐⭐⭐⭐⭐