This wooden 3d Soma Cube puzzle is made up of the original Soma shapes but has a rope attached making only one correct combination to reassembling the puzzle. A variation on the famous Soma Cube.
Having the rope attached makes this brain teaser version of the Soma puzzle more difficult to solve. Difficulty level is Level 5 (where level 1 is easy and level 9 is difficult
6 x 6 x 6 cm