Solar Cell Demonstrator

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