Perpetual Motion machine - Smithsonian
$24.99
Sale price
$24.99
Regular price
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Perpetual Motion machine - Smithsonian
$24.99
Sale price
$24.99
Regular price
Explore the fascinating science of motion and energy with the Smithsonian Perpetual Motion Machine. This interactive kinetic display uses steel balls and balanced motion to show how momentum and force are transferred—creating a continuous chain reaction effect. A mesmerizing STEM learning tool and desk display for ages 8+.