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Water Calculator

Water Calculator

9798
Regular price: $19.99
Quantity:
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Water Powered Calculator doesn’t need batteries
Just add water or any other electrolytic liquid into its fuel cell and the chemical reaction between its zinc anode and cathode produces an electrical current that will power this Water Calculator for a month before it needs another sip. (#9798) A ComputerGear exclusive. Item in stock unless noted above.

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