4M Green Science/ Potato Clock 00-03275

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!
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16,000.000  ع.د 16000.0 IQD 16,000.000  ع.د

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