This easy-to-assemble DIY STEM kit will let you build your own hand-crank generator and power an ultra-bright COB LED light. There is no soldering required, and all you need is a Phillips screwdriver (see related items.) It comes with detailed, step-by-step instructions.
While assembling this kit, your students will develop fine motor skills, learn how gears and electric generators work, and have some fun.
Once built, the generator will generate up to 3V 150mA of current. You can power an included LED light or your own devices such as buzzers, motors, and other lightbulbs.
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