Smithsonian Perpetual Motion Machine

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Build your own perpetual motion machinepowered by a hidden magnetic field and driven by curiosity. This intriguing STEM model lets kids (8+) explore the science behind electromagne tism, kinetic energy, and why true perpetual motion remains a theoretical dream. With components, instructions, and an astronomy-inspired poster included, it transforms physics into a hands-on, screen-free learning experience. Show more