Glass love thermometer/Hand boiler/Love meter

Product Overview

Description

                             Glass love thermometer/Hand boiler/Love meter

 

1.Description:

When you cup your fingers around the lower bulb of the hand boiler,

the heat of your hand causes the air in the handboiler to expand. 

As a result, the air forces the liquid up the tube and then bubbles through the liquid.

 

2.Material: Glass, and safe liquid

 

3.Shape and liquid color: many