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Rattleback

Rattleback
Rattleback
Rattleback

Rattleback

Our Price: $4.99
Stock Info: Out Of Stock

Full Description

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.

Ages 4+

Kryptronic Internet Software Solutions