American Educational Solar Cell Demonstrator In Red/Black -

American Educational Solar Cell Demonstrator In Red/Black

• This is a great desktop item and attention-getter
• Four powerful solar cells are mounted on a revolving disk and motor
• This in turn is mounted to a plastic stand and base
• Watch as the entire disk, solar cells included, begin to whirl around when the unit is placed in the sun
• Dimensions: (5" x 4-1/4 inch x 5-1/2";. 5 lb)