Original 3D Crystal Puzzle - Bird The Bird 3D Crystal Puzzle from BePuzzled is a sleek, translucent, crystalline puzzle with 47 unique interlocking pieces Take puzzling to a whole new dimension with this sweet design, inspired by nature Enjoyable to work on, challenging to complete and beautiful to display This 3D puzzle has a difficulty level of 2 and is fun for puzzlers age 12 and up. Number of players: 1 Approximate assembled size = 4-1/2" x 5" x 3"