Potato Clock!

Yes, it's the famous Potato Clock, used in science fairs and at home for a fun science project! No batteries needed. Future scientists will discover how to power this digital clock using potatoes and experiment to see what other substances will work as well - you'll be amazed! Lemons? Apples? Tomatoes? Cola? Hmmmm, let's find out!

Science Kit includes: Digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions.

Instructions are in English, German, Dutch, Italian, Spanish, Japanese!