4M Kidz Labs Lemon Clock - Discover the science of batteries002785
by 4M Science
Turn your fruit into a power source! Use electrolysis to learn about batteries and how they work with this hands on, easy to use kit. Simply add a lemon and watch the circuit come to life!
Contains 2x copper and 2x zinc plates, clock, wires and instructions.
The lemon can be replaced with a potato, grapefruit or even soft drinks.