Fruit and Potato Clock

Insert the zinc and copper bimetallic probes of this electric clock into potatoes (or apples, cucumbers-even salt water or soda pop) and watch as the digital readout comes alive. Hours, minutes, seconds and date are resettable on the clock’s red plastic base. Place it on the corner of your desk as a real “student stopper.” Size: 21cm x 8.5cm x 7cm high.



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