Activity & Learning Toys

Clear Hand Crank Manual Crank Generator Model Electronic Mechanical Power Physics Experiment Student Laboratory Experiment 2. Multiple gears, tightly engaged, 4. The product comes with a light bulb, which can be directly powered by hand, or connected to a variety of electrical appliances for experimentation. 1. The rotation of the generator shaft drives the lamp shaft to... Clear Hand Crank Manual Crank Generator Model Electronic Mechanical Power Physics Experiment Student Laboratory Experiment

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