The Black Swan 3D Crystal Puzzle from BePuzzled is an elegant brainteaser that looks like it just flew in off the water! It is a sleek, translucent, crystalline puzzle with 43 unique interlocking pieces. When you've pieced it together (be ready for a challenge), its colorful, sleek design will bring graceful serenity to any room. This 3D puzzle has a difficulty level of 2. Assembled puzzle measures approximately 3.5 x 2.25 x 3.5 inches.