Potato Clock (Green Science) (4M Science)
Be a Scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock - you will be amazed!
SKU | 4893156032751 |
Condition | New |
Be a Scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock - you will be amazed!
SKU | 4893156032751 |
Condition | New |