The Green Dragon Deluxe 3D Crystal Puzzle features a fierce yet regal beast, guarding its marble egg. This beautiful 3D brainteaser is a sleek, translucent, crystalline puzzle with 56 unique interlocking pieces. When you've joined the pieces together (be ready for a challenge), this dragon's wings are spread wide, ready to defend its prize or take flight! This 3D puzzle has a difficulty level of 3. Assembled puzzle measures approximately 5 x 8 x 5.5 inches. Also available in several other colors.