Plant clock 'Science toys' with color box
Magical Plant Clock - no batteries needed
1、No batteries! The clock runs from energy generated in a chemical reaction between metal electrodes and mud.
2、Great for children and teens to become scientists and learn how to generate power from nature. A fun science experiment.
3、Combine nature with an essential home device.
WHAT'S IN 1 PC?
The dimensions of the plant clock are 17 x 8.5 x 10 cm. The product comes with sandpaper, but soil and seeds need to be bought separately.
The growing pot dimensions are 8.5 x 8.5 cm and designed to retain up to 30 ml of water.