Thirsty card trick

I bet I can balance a plastic card on the rim of a glass full of water, and I can even place some coins on the overhanging part of the card without the card tipping over.

Fisica

Anni 7 – 12

Autore: Stonawski Tamás

Revisore: Dr. Sós Katalin

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Thirsty card trick

Thirsty card trick

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