The ShengShou Mr. M Square-0 is slightly less challenging than a normal square-1 puzzle because the corners and edges are attached.
For a more difficult challenge, check out the Mr. M Square-2.
The ShengShou Mr. M Square-0 is slightly less challenging than a normal square-1 puzzle because the corners and edges are attached.
For a more difficult challenge, check out the Mr. M Square-2.