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Physics > Thermics >

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Drinking duck

Art no 53904

A bird that never wants to finish drinking! Conveys a lot of physics in a fun way.

11 EUR

(13.75 EUR incl. vat)

pcs	Delivery - immediate

Product description

A bird that never wants to finish drinking! Conveys a lot of physics in a fun way.

Dip the bird's head in water. When the water evaporates, the head cools and the air pressure in the head decreases. Liquid is then absorbed up to the head from the rear of the bird. The bird becomes top-heavy and dips its beak down into the glass of water. At the same time as the head gets wet the ingenious design makes the liquid run back to the rear part.
Now everything starts again...

The bird's length: 16 cm.

NB! Made of glass - not a toy.

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