Puzzle Details
Nice 4x4x4 mod with extensions, that let the puzzle create an optical illusion of either the upper or the lower section being a 3x3x3 cube.
Weight: 140g
Size: 6x6x10.5cm
External Links
Tony Fisher's Puzzles: Tony Fisher's Cubillusion Puzzle http://tonyfisherpuzzles.net/169Cubillusion.html