Description
This is a classic example of thermodynamics in action! The heat of your hand warms 1 bulb, causing the air in the hand boiler to expand. Liquid is forced into the other bulb, making it appear to boil for an exciting demonstration!
• Comes with a Teacher’s Guide
• Glass construction with 2 side by side bulbs connected by a straight tube
AmSci Exclusive
Teacher's Guide Included
Video Available
