Hand Boiler - Astromedia
If you hold the bottom glass bulb of the hand boiler in your hand, something astonishing happens: The blue fluid inside the bulb starts to rise through the spiral into the top bulb. When nearly all of the liquid is in the top bulb it also starts to bubble, as if it would be boiling
For this reason the Hand boiler is also called “Love Meter”; if someone can make a fluid boil with just the heat of her/his hands they must truly be exceptional lovers!
(The Hand boiler is made from thin glass and children should only handle it under adult supervision!)
Height: 19cm, Diameter: 6cm
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