Coolhunt 1.2 Klok op H2O


What it is:

This is a clock that runs on water. The clock has a galvanic cell that generates a chemical reaction by adding water to it. When the digits fade, you just have to add some new water to it.  The clock runs about two weeks after you filled it.

Why it’s cool:

Yearly there are a lot of batteries that are not handed in by people. It’s very bad for the environment to not hand in the batteries, so this is a great alternative. This clock runs on water so you don’t have to use any batteries. It has everything to do with sustainability and environment.


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