4M Kidz Labs/Green Science Potato Clock For 8 Years plus, Ages 8+

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! Caution: High Voltage Inspiration and Fun! Item Size: 17cm x 22cm x 6cm Features Potato Clock uses a pair of ordinary spuds to power a digital clock Kit includes a digital clock, wires and prongs; two potatoes are all that's needed to create a working clock Ideal for young science enthusiasts, and offers a valuable lesson on the transformative power of green science Detailed assembly instructions included Become a scientist as you discover how to power this digital clock using potatoes Power a digital clock using only a potato as power Part of the Green Science learning range Digital Clock with wires, copper and zinc strips, transparent tapes and more! High Voltage Inspiration and fun!