CC: RATTLEBACK
What a rebel! A semi-ellipsoidal top—it spins in only one direction, seeming to violate the physics Law of Conservation of Angular Momentum. Includes one rattleback and instructions. Comes in assorted colors. 4x6” peggable bag.
CC: RATTLEBACK
What a rebel! A semi-ellipsoidal top—it spins in only one direction, seeming to violate the physics Law of Conservation of Angular Momentum. Includes one rattleback and instructions. Comes in assorted colors. 4x6” peggable bag.