American Educational Products . AEP (DISC) SOLAR CELL DEMONSTRATOR

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Four powerful solar cells are mounted on a revolving disk and mo-tor. 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. Instructions provided. 5" x 4-1/4" x 5-1/2"; .5 lb
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