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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Premium Quality: Battery Holder Board is made of high-grade construction all the way through
puzzle books
The coils of the two electromagnets are connected in series
you can use them for a long time
Size: 140mm x 370 x 870mm
Electric Motor Open Model Stem model Premium Quality: Battery Holder BoardElectric Motor Open Model It can demonstrate the structure and principle of DC generator and AC generator. Th specific principle is the closed principal iron ring. The inner side is equipped with a pair of electromagnets. The coils of the two electromagnets are connected in series, and the binding posts are mounted on iron ring. Via operation, you kids know how motor works, cultivate children's curiosity about science, and regard science as a child's
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