Sale!
4M – Green Science: Potato Clock
$ 17.81
Introduction 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
4M – Glow Crystal Growing Experiment Kit
