MF8 Square-1MF8s version from 2007. Produced in five different colors.
Mirror Square-1The concepts of Mirror Blocks and Square combined in one puzzle.
Octagon-1A Square-1 truncated into a regular octagonal prism.
OlidiusA puzzle made in the former Soviet Union. Even in that region a very rare item.
Otter CubeA split bandaged 1x2x3 offset similarly to the zock cube.
Pent-1The concept of the Square-1 implemented with a pentagonal prism.
Penta-1A Square-1 in shape of pentagonal prism with a tilted axis system.