This is a fairly large puzzle, about 10" high designed by a friend of ours. It consists of a base and a frame into which you try to place 10 pieces to build up the rocket from the ground up. Quite tricky to build the checkerboard pattern. Level 4+ difficult
Mike Czerwinski has done one of his incomparable analysis for this puzzle. 22 Powerpoint pages that thoroughly analyse the mental thought process required to solve this puzzle. Makes the puzzle come alive. For you analytical types, this is something special.
Level of Difficulty: Level 4