Hand-Crank Generator DIY STEM Kit

This easy-to-assemble DIY STEM kit will let you build your own hand-crank generator and power an ultra-bright COB LED light.

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Specifications: Kids will learn from the mechanics of the hand-crank generator and how the energy is used to generate electricity, physics experiment equipment. No need for screws or tools, kids can easily build the mini fan within 10-15 min following the detailed instructions. Through this DIY building toy, kids can construct their very own powered mini fan that uses a hand crank gyrating motion to making the fan turn.

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PRODUCT DESCRIPTION: Help children develop hand-eye coordination and manual dexterity skills. Develop intelligence, cultivate confidence, and create

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Features: * Cultivate awareness: Exercise your child's hands-on skills and understand simple mechanical principles. * Log color, you can use your

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