Jack's Cube was suggested by Jack via YouTube. The design was inspired on the Magic Sphere puzzle. Jack's Cube has three types of moves. First there are the conventional Rubik's turns. Secondly, a circle of nine pieces can turn in steps of 90 degrees. Finally, a great circle of 12 pieces can turn in steps of 30 degrees.

Watch the YouTube video.
Read at the Shapeways Forum.
Read more at the Twisty Puzzles Forum.

Please contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.