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Get ready for science that sizzles-literally in the palm of your hand! The Hand Boiler is a fascinating glass sculpture filled with colorful liquid that "boils" as your body heat sets the magic in motion. Just hold the large bulb in your hand and watch as the liquid bubbles and rises through the twisting glass tubes. Once released, it cools back down, ready for the next experiment. Both a mesmerizing desk toy and a classic science demonstration, this piece shows off the principles of thermodynamics in a playful, eye-catching way. Perfect for curious minds, budding scientists, or anyone who loves a splash of science with their décor! A timeless science toy that demonstrates heat transfer and gas expansion Sold individually. Color will vary. Warning: Flammable. Do not use near heat or flames. This hand boiler is made of glass and is not a toy. Size: approximately 7"
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🇺🇸 Ship from USA · On Agora since 2026
$17.95