Natural Power Generation

Energy Ball

Fascinating and fun! By touching 2 metal strips simultaneously, your body becomes a path to a complete circuit. The result? The ball flashes brightly and makes an eerie sound. The Ene... More.

Two Potato Clock

Gr. K-6 Demonstrate power generation from chemical reactions using potatoes, oranges, apples, soda, even house plants. Includes mechanism and instructions. Potatoes not included. More.

Water Clock

Gr. 3-12 Build a digital clock that runs on tap water or other materials like fruit juice and cola. No need for batteries! This “liquid battery” also powers a light-emitt... More.

Solar Bottle Boat Kit

Gr. 3+ Build 3 different solar-powered boats using “recycled” bottles. Kit includes waterproof 1/2-watt solar panel, motor with wires, 2 propellers for water or air, moun... More.