Green Science: Potato Clock

PLEASE NOTE: This item is limited to quantities on hand. Once current inventory has sold out this item will no longer be available.

Recommended Ages: 8+

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! Caution! High voltage inspiration and fun! 

Contains:

• digital clock with wires
• pots
• connecting wire
• transparent tapes
• copper and zinc strips
• detailed instructions

WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.