Potato Clock

Function and Applications

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 metallic probes and watch the resettable hours, minutes, seconds, and date light up.

Equipment and Technical Data

• LED clock
• 2 beakers
• copper and zinc electrodes
• cabels
• instuction (in german)