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Beautiful Colorful Office Thinking Hand Boiler (Color May Vary) - Picture 1 of 1

TEDCO 00502 Hand Boiler Science Toy

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Price:
$8.99
Free shipping
Estimated delivery Thu, May 9 - Mon, May 13
Returns:
30 days returns. Buyer pays for return shipping.
Condition:
New
Glass Sciences Energy Transfer.Office Thinking Hand Boiler. Hand Boilers are looped in the twisted glass sculptures containing a liquid that will "boil" as heat is transferred from your bare hand. Simply hold the large bulb end on the bottom in the palm of your hand and within minutes, your body heat from your hand will cause the liquid to rise.