Puzzle Details
Sinple but nice trasfomation, that shows the spherical mechanism within the puzzle. Turns perfectly. Built from a 7x7x7 V-Cube.
Weight: 284g
External Links
Tony Fisher Puzzles: Tony Fisher's 7x7x7 Ball in a Cube Puzzle http://tonyfisherpuzzles.net/187n7x7x7BallInACube.html