A Classic Mind Teaser Puzzle Definitely a challenging puzzle Simple Game: Undo the puzzle and then get it back into a sphere Makes a great stress reliever Fun puzzle that will keep you busy for hours This is for 6 Plastic Sphere Puzzles. These are all brand new, never used, and in retail ready packaging. The Plastic Sphere Puzzle is definitely a challenging puzzle. The object of the game is simple: undo the puzzle and then get it back into a cube. It sounds easy, but guess again. The good news is that the Plastic Sphere Puzzle also makes a great stress reliever, so you can release a little tension while trying to solve it. Study the cube in the package carefully before opening and undoing the puzzle. The trick to solving the Plastic Sphere Puzzle is patience, lots and lots of patience. It's a fun puzzle that will keep you busy for hours. It measures at 2½" x 2½" x 2½". Great buy for dollar stores, teachers, and waiting rooms...