Check the listing for details. E-Outstanding Fruit Battery Science Experiment Kit DIY Fruit Battery-Potato Alar. Condition: New. Listed at 15.99 USD. First, knead the fruit to make it looser to make the water flow faster, insert the two electrodes, connect the wires, and install a diode or electronic clock on them. Apples, oranges, pineapples, potatoes, etc. can be made into fruit batteries.
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