Small Green Hand Boiler

Demonstrates Charles Law & Energy transfer. Place the larger glass bulb in your hand and wrap your fingers around it and watch what happens. Your body heat causes the liquid inside to shoot up to the top bulb and appear to boil. How does it work? Made of Glass.

• Fascinate your friends, who has the warmest temp and can make it “boil”.

• Great for the office!

• Fragile made of glass

• Ages 14+