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$2.45
Original: $7.00
-65%Rattleback—
$7.00
$2.45The Story
A phenomenal physical curiosity! A semi-ellipsoidal top that spins in only one direction, seems to violate the angular-momentum conservation law of physics. Exciting and mysterious.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
A phenomenal physical curiosity! A semi-ellipsoidal top that spins in only one direction, seems to violate the angular-momentum conservation law of physics. Exciting and mysterious.
