Envrionmentally friendly power sources will definitely ignite children's interests in science. Green science kits demonstrate the basic principles of electricity and mechanics in a safe, fun and imaginative way.

What!  No batteries!!  Be a scientist as you discover how to power this digital clock using potatoes.  Experiment to find out what other substances will power the clock - you'll be amazed! 

Contains digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions.

Suitable for children age 8 years and over.

CAUTION: High Voltage Inspiration and Fun!