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Robert Friedhoffer - Toying Around with Science By Robert Friedhoffer

Robert Friedhoffer - Toying Around with Science By
Robert Friedhoffer - Toying Around with Science By Robert Friedhoffer
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  • Reviews(202)
Explains the workings of air pressure, water pressure, magnetic, friction, flywheel, vibration, lever, spring-powered, and windup toys, and discusses the scientific principles involved
Average rating: 5.0 based on 202 reviews
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