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$17.90
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Construct an electro-goop powered battery and use it to juice up a digital clock. Learn about electrochemical reactions, electrodes, and batteries.SAFETY INFORMATIONDo not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries. Brand: Thames & Kosmos Brand Part Number: 550001 Our Part Number: h6054
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