The Rubber Duck 3D Crystal Puzzle from BePuzzled was inspired by everyone’s favorite bathtime toy. It is a sleek, translucent, crystalline puzzle with 43 unique interlocking pieces. When you’ve pieced it all together (be ready for a challenge), this playful design will brighten up any room. This 3D puzzle has a difficulty level of 1. Approximate assembled size = 3-1/4" x 2-3/8" x 2-7/8".