Can You Take Apart The Planet And The Ring And Put Back Together? Product description The Hanayama Cast Planet puzzle is a design by Masui Ohno of Japan. The aim is to seperate the central ball from the outer ring. In order to do this you must navigate the maze by rolling the central sphere. A level 4 out of 6 on the Hanayama difficulty rating this is a fairly challenging puzzle but not unachievable. Also includes a Crux Puzzles sticker The Hanayama Cast Planet puzzle is a design by Masui Ohno of Japan. The Fairly OddParents Cosmos Vinyl Sticker Decal - Sticker Planet Disentanglement Puzzle Hanayama Cast Planet Puzzle - Crux Puzzles Metal Disentanglement Puzzle Also includes a Crux Puzzles sticker. Buy Hanayama and Crux Cast Planet Puzzle - Level 4 of 6 - Fairly Hard - Includes Sticker online on at best prices. Fast and free shipping free returns cash on delivery available on eligible purchase In order to do this you must navigate the maze by rolling the central sphere. The aim is to seperate the central ball from the outer ring.