Description
What!? No batteries? 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'll be amazed! Caution! High voltage inspiration and fun!
Contains:
- digital clock with wires
- pots
- connecting wire
- transparent tapes
- copper and zinc strips
- detailed instructions
WARNING: CHOKING HAZARD – Small parts. Not for children under 3 years.
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