We did see the dirt-powered soil lamp earlier, here’s another dirt-powered device, it’s an alarm clock that can be powered via dirt and you can even grow some nice fairway grass in it.
This the called the timeless garden and it runs mud or rather the chemical reaction between the mud and the metal casing inside the clock, how good is that it just doesn’t get any better than that for alarm clocks anyway. The actual body is made from two recycled plastic bottles.