This Green Science Potato Clock serves up a whole new kind of eco-friendly energy all powered by potatoes!
The kit comes complete with wires, transparent tape, copper and zinc strips – all you’ll need is a couple of simple spuds to get the clock ticking. It’s the perfect present for the budding professor.
Contents: Contains digital Clock (6.5cm in length) with wires, 2 pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions.