Hand Boiler

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Hand Boiler

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$7.99

Description

The Hand Boiler is a fascinating science toy and an excellent demonstrator of energy transfer!

Details
Why we love it
Reviews

Holding the lower bulb in your hand causes the liquid inside to boil and shoot into the top bulb. The body heat causes the liquid to appear as if boiling.

The Hand Boiler is a great gift and the best in thermodynamics lessons!
- Ages 14+.
- Includes: 1 hand boiler.
- Made of glass.
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