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Ginsberg Solar Cell and Motor Demonstration is a high-powered silicon cell which converts light directly into electricity to operate a motor. Motor with special anti-friction bearings revolves approximately 400 RPM (Rotation per minute) in bright sunlight. ‚ 

Price : 65.99 USD
Sale Price : 42.75 USD
More info : Ginsberg Solar Cell and Motor Demonstration,5″x 5″x 4",Each,7-1849