Fruit & potato clock
Click Image for Gallery
Amaze your students with this LCD clock that keepsgreat time using potatoes, soda pop, or plants. Thisis an ideal demonstration of an electrochemical cell.All you need to do is attach the included zinc andcopper bimetallic probes and watch the resettablehours, minutes, seconds, and date light up. It includesinstructions.
Size: 8 1/2”L x 3 1/2”W x 2 3/4”H.