Ball and ring

Art no 72815

Heat the ball, let it fall through the ring and then try to pull it up again. Is it magic?

8.10 EUR

(10.13 EUR incl. vat)

set	Delivery - immediate

Product description

Heat the ball, let it fall through the ring and then try to pull it up again. Is it magic?

This kit comprises a ball and ring of brass. When the ball is at room temperature, it passes easily through the ring. Heat the ball and place it on the ring. It will soon pass through but can you pull it up again? Shows that metals expand when heated.

Material: Brass with plastic handles.

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