Hanayama's Cylinder brainteaser gives you no clues to the solution - and that's part of the fun After you separate the cast metal cylinder into its components, can you put it back together again? This 4.72" x 2.99" x 1.88" cast metal puzzle designed by Vesa Timonen is considered difficulty level 4 (challenging) Hanayama is known worldwide for challenging puzzles and quality manufacturing BePuzzled is more than just jigsaw puzzles - it's puzzle-plus