Bram's Square is an idea by Bram Cohen. Take a 3x4 rectangle of which each of the 3x3 sub-squares can be rotated. Well, actually, Bram wanted a 5x6 rectangle, but even a 3x4 would already be extremely difficult to solve. The movement is slide-turn-slide-slide, repeat ...
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Please contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.
20.594 w x
14 d x
8.108 w x
5.512 d x