The Green Emerald 3D Crystal Puzzle is gorgeous enough to adorn any room. It is a sleek, translucent, crystalline puzzle with 43 unique interlocking pieces. When you've pieced it together (be ready for a challenge), its brilliance will have you wishing you could wear it. Details: Emerald 2.75" x 2.75" x 2" assembled size 43 pieces Difficulty level 1 For ages 12 and up