Glass Hand Boiler, Unique Thermometer Toy Hand Boiler Stress Relief Science Toy Heat Transfer Demonstration for Educational Use

1. Boil the liquid with your body temperature and observe how the liquid boils and rises through the tubes into the upper container. 2. It is a looped and twisted glass containing a liquid that will ”boil” as heat is transferred from your bare hand, very interesting. 3. Once leave your hand, it takes a few minutes for the liquid to cool down and return to the large bulb. This is a very interesting science toy and a great demonstration of energy transfer. 4. This toy proves the vapour-liquid equilibrium, the colored liquid in the toy is a volatile mixture with a boiling point just room temperature. 5. The heat on your hands causes the liquid to boil, and the boiling evaporates the liquid into a gas. The expanding gas pushes the liquid upward, and when you release your hand, the equilibrium is re-established. The gas condenses again into a liquid and flows back down the lower bulb. Specification: Condition: Brand New Item Type: Thermometer Toy Material: High Borosilicate Glass Product Size: Approx. 16.5 x 5 cm / 6.5 x 2 in Weight: Approx. 67g / 2.4oz Package List: 1 x Thermometer Toy Note: 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Features

• [INNOVATIVE TOY]: Watch in awe as the liquid in this hand boiler toy boils and rises through the twisting glass tubes with just the heat from your bare hand!
• [FASCINATING SCIENCE DEMO]: This toy demonstrates energy transfer and the -liquid equilibrium. The colored liquid inside is a volatile mixture that boils at room temperature.
• [STRESS RELIEVER]: for relieving stress and anxiety, this unique toy provides a mesmerizing visual experience while also serving as a home ornament.
• [THOUGHTFUL ]: Surprise your loved ones with this captivating thermometer toy. It makes for an ideal birthday or a unique addition to any science enthusiast’s collection.
• [ MATERIAL]: Made from high borosilicate glass, this thermometer toy is and can withstand daily use. It measures approximately 16.5 x 5 cm and weighs 67g.