Green Science Potato Clock
What! No batteries? Be a scientist as you discover how to power this digital clock potatoes. Experiment to find out what other substances will power the clock - you'll be amazed!
Contents :
- Digital clock with wires, pots
- Connecting wire
- Transparent tapes
- Copper and zinc strips and detailed instructions. Colors and contents may vary from illustrated.
Recommended Age : 8-12 Years
Disclaimer : Product once used cannot be exchanged or replaced.
