Potato Clock with No Mess Holder, Fruit Clock

描述

This Potato Clock is designed to demonstrate the principle of an electrochemical cell. The LCD clock runs on 2 potatoes, oranges, lemons, grapefruits or cans of soda. The no-mess design with attached electrodes is great for young experimenters, and assures that the parts will not go missing after time. The compact design allows for convenient storage when not in use.