Wooden Toys 4M | Potato Clock

There Are No Batteries, So How Is This Working? It Will Take A Scientific Investigator To Find Out!

This Kit Comes With Electrodes, Wire And A Digital Clock That Will Be Powered By The Potato Alone. But What Else Will It Work With? Try Tomatoes, A Cola Drink And What About A Lemon? With Great Instructions And A Clear Explanation, Children Will Be Able To See What Happens And Understand Why.

A Great Start To A Scientific Career!