Green Science<br> Potato Clock

Green Science
Potato Clock

47231

Regular price$21.95
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Use your experimental skills to find out which substances will power a digital clock. Includes 1 digital clock w/ wires, 2 pots, connecting wire, transparent tape, copper & zinc strips & detailed instructions. Clock size: 2.5" x 1.25".

Ages 8 years +. 

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