Hand Boiler (Assorted Colors)

A classic science toy that is sure to please.

As you wrap your hand around the base of the hand boiler the liquid will appear to boil within the beautiful glass vessel.

NOTE: Color may vary.

This demonstrates Charless law and energy transfer perfectly! This makes a great desk accessory as well.

Many facts printed on box that will assist in teaching how a hand boiler works and explain key scientific terms. Hand boiler is 7? tall and 2? wide at base, made of glass so keep out of reach of young children.

For ages 14+

Used with permission, copyright 2019 Tedco Toys, Inc. Copyright 2019 Brey Corp. t/a Hobby Works