Green Science - Potato clock

What! No Batteries? Be a scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock - you'll be amazed! Explore the Potato Clock project, where kids build a unique clock using a potato, learning about electrical circuits and conductivity. Experiment with various liquids while fostering creativity and a love for science in an engaging, hands-on way. Contains digital Clock (6.5cm in length) with wires, 2 pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions. | 4M Green Science - Potato clock