The Potato Clock is designed to demonstrate the principle of an electrochemical cell. The LED clock runs on 2 potatoes, oranges, grapefruits, lemons or cans of soda pop. Potatoes not included.
American Educational Products - AEP71314
Quantity Available for Web Orders: 28 (Call 314-843-2227 to see if this item is available in the store in St. Louis.)
Package Dimensions: Length 8.50" Width 3.50" Height 2.75"