Bouillant de Franklin

Hand Boiler

Hand Boiler
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9.50 In stock (Shipped within 24h)
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Rewards credit: 0.95 €

Demonstrate the power of energy transfer with this beautiful glass bubbler, simply hold it at the bottom and watch the liquid rise to the top and then bubble.

Your body heat warms the liquid, causing it to expand and move through a series of tubes to the top chamber, there it starts to bubble.

And if you let go...The liquid cools and slowly moves back down to the lower chamber.

Great for science class, or just to show off to your friends...Collect all 4 colors!

Height : 16.5 cm

Different versions available: red, purple, blue or green
If you have a preference, please tell us in the order form ('Request to the warehouse'). Please note that we cannot guarantee your preference in the case a version is out of stock.

Thermodynamics is magic:

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[Ref. 8388] [$, £, CHF...]

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Our customers' reviews

Average rating : 4.4/5 (60 reviews)
  5/5 , 17/11/2021
  5/5 , 12/08/2021
  5/5 , 08/04/2021
  5/5 , 02/03/2021
  5/5 , 23/02/2021
  5/5 , 31/12/2020
les bouillants sont très jolis avec des circuits différents pour le liquide suivant la couleur.
  5/5 , 23/12/2020
Super sympa j'adore ! La couleur a été respecté pour ce que j'avais demandé
  4/5 , 04/12/2020
  5/5 , 22/07/2020
Envoi rapide et soigné ! Et l'ébullition amuse autant les petits que les grands. Je recommanderais sur ce site sans hésiter
  5/5 , 06/03/2020
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