Science discovery box - Potato Clock

Scientific clock kit without batteries.

What?

No batteries!

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.

For children from 8 years old.

Warning: risk of suffocation, small parts; forbidden to children under 3 years old.

Potatoes not provided.