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Green Science Potato Clock

Green Science Potato Clock
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Potato Clocksv
NZ $26.99
Qty.
Be a scientist as you discover how to power this digital clock using potatoes and NO batteries. Experiment to find out what other substances will power the clock.
Be a scientist as you discover how to power this digital clock using potatoes and NO batteries. Experiment to find out what other substances will power the clock.
Age: 8 years and up


 

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