kids encyclopedia robot

Image: Patent US3655201

Kids Encyclopedia Facts
Original image(1,071 × 758 pixels, file size: 65 KB, MIME type: image/png)

Description: Magic polyhedra mechanism: 2x2x2 cube using magnets
Title: Patent US3655201
Credit: US patent US3655201
Author: Larry D. Nichols
Usage Terms: Public domain
License: PD
Attribution Required?: No

The following 2 pages link to this image:

kids search engine