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For a small fee of EUR 2 you can pay 14 days after delivery.
For an additional EUR 9,90 we will ship next day before 12pm if you order before 3pm and in Germany.
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When ordering, you can choose if you want us to attach a message instead of the invoice.
article no. 16282
Electrical devices tend to need batteries or power plugs to function properly – or at least we thought they did. Because the Water-powered Clock Construction Kit challenges this assumption and presents us with a digital clock that runs on nothing but water!
The kit contains all the parts needed and a detailed manual with instructions and several interesting experiments. Without giving away too much, water is not the only liquid that you can use to power your clock!
