Description

Amaze your students with this LCD clock that keeps
great time using potatoes, soda pop, or plants. This
is an ideal demonstration of an electrochemical cell.
All you need to do is attach the included zinc and
copper bimetallic probes and watch the resettable
hours, minutes, seconds, and date light up. It includes
instructions.
Size: 8 1/2”L x 3 1/2”W x 2 3/4”H.