Original 3D Crystal Puzzle - Deluxe T-Rex The T-Rex Deluxe Crystal Puzzle from BePuzzled is a sleek, translucent, crystalline puzzle with 49 unique interlocking pieces Take puzzling to a whole new dimension with this fierce design Enjoyable to work on, challenging to complete, and beautiful to display This 3D puzzle has a difficulty level of 3 and is fun for puzzlers age 12 and up Approximate assembled size = 5-1/2" x 4" x 5"