🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½
Bigamart
Price
$9.65
Home/Toys & Games/Novelty & Gag Toys/Squeeze Toys
Fdit Unique Tricky Fun Thermometer Toy Thinking Hand Boiler Stress Relief Toy Interesting Science Toy Home Decoration Ornament — image 1
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Fdit Unique Tricky Fun Thermometer Toy Thinking Hand Boiler Stress Relief Toy Interesting Science Toy Home Decoration Ornament

★★★★★
$9.65
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About this item
  • ?Boil the liquid with your body temperature and observe how the liquid boils and rises through the tubes into the upper container
  • ?Boil the liquid with your body temperature and observe how the liquid boils and rises through the tubes into the upper container
  • ?It is a looped and twisted glass containing a liquid that will ''boil'' as heat is transferred from your bare hand, very interesting
  • ?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
  • ? This toy proves the vapour-liquid equilibrium, the colored liquid in the toy is a volatile mixture with a boiling point just room temperature
  • ?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
Product details
Brand
Fdit
Size
16.5 x 5 cm

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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