• A packaged Rattleback toy with visible colorful design, displayed in front of a red and white product information label.
  • Rattleback

Copernicus Toys

Rattleback

Regular price

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. 

really good gift wrap (& it’s free!)

both in-store and online, let us take care of the wrapping.

take a peek

free delivery in san francisco

We’ll hand-deliver your goods by tomorrow via vintage Italian Piaggio Apé truck. Tell your friends.

meet boggsworth
modern toys for old school fun