Copernicus Toys
Rattleback
Precio habitual
$5.50 USD
Precio habitual
Precio de venta
$5.50 USD
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A phenomenal physical curiosity! A semi-ellipsoidal top that spins in only one direction, seeming to violate the angular-momentum conservation law of physics. Exciting and mysterious. Part of Copernicus Toys Compact Curiosities line.
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