Description: Bepuzzled 30948 Treasure Chest BK 3D Crystal Puzzle The Treasure Chest 3D Crystal Puzzle from BePuzzled looks like it came off an old pirate ship! It is a sleek, translucent, crystalline puzzle with 52 unique interlocking crystalline pieces, including key. When you™ve pieced it together (be ready for a challenge), the key will open and close this colorful, sleek treasure chest. You™ll be proud to display this sleek, unusual puzzle, and can even store tiny items in it. This 3D puzzle has a difficulty level of 2. Approximate assembled size = 3-1/8" x 2-3/8" x 2-1/2" when closed, 4" when open. Delight your mind and eyes with our Original 3D Crystal Puzzles. These three-dimensional brainteaser puzzles are enjoyable to work on, challenging to complete, and beautiful to display. They take puzzling to a whole new dimension and are recommended for puzzlers age 12 and up. There are designs to match anyone's interests and are fun to collect.