The Wolf 3D Crystal Puzzle from BePuzzled is inspired by the spirit of this proud wild animal. It is a sleek, translucent, crystalline puzzle with 38 unique interlocking pieces. When you've pieced it together (be ready for a challenge), your wolf stands on a precipice, howling at the moon. This 3D puzzle has a difficulty level of 1 (mildly challenging). Assembled puzzle measures approximately 4 x 3 x 1-1/2 inches. Also available in black.