Puzzle Ghost Cube - Ventura InternationalUwe meffert's puzzles: Ghost cube the goal of this puzzle is easy to understand form into the shape of a cube but the uniform colour of the panels make it deceivingly difficult to solve. The seemingly arbitrary directions in which the puzzle turns makes this a challenge even for expert twisty puzzle enthusiasts. > Uwe meffert's puzzles: an original since 1976. Uwe Meffert started designing rotational puzzles in in 1976 with the invention of the