Mini Hand Boiler
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Description & Details
The Mini Hand Boiler is an adaptation of one of our personal favorites over at OfficePlayground.com, and this little guy works like magic! Demonstrate the power of energy transfer with this visually intriguing liquid motion toy. How does it work? The heat of your body causes the air in the hand boiler to expand. As the air expands and rises so does the liquid. When the liquid reaches the top with the air still expanding through the liquid making it appear to be boiling!
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