4M – Green Science: Potato Clock

Description:

The award-winning 4M Green Science Potato Clock STEM Kit is a scientific clock kit without batteries. What? No batteries!

Children can become a scientist and discover how to operate this digital clock using potatoes. Experiment to find out what other substances can supply energy to the clock - you\'ll be surprised!

Warning: inspiration and fun under high voltage.

Suitable from 8 Years +