Hand Boiler demonstrates Charles' Law

Hand Boiler

Item code
Demonstrates Charles' Law
$17.60 $16.00
• Glass hand boiler demonstrates Charles' Law
• The liquid inside boils from the heat of human touch and expands forcing it upwards through the loop in the glass
• Science experiment in the palm of your hand that's fun to play with and great to look at

Item contains ethyl alcohol and is flammable, to be used under strict adult supervision.