Improved Quality: 2mm thick with a smooth surface and bright colors. The 1000 pieces puzzle is made of sturdy, recycled, environmentally friendly cardboard and non-toxic components, passed CE certification. Finished size is 27x27 inches. Includes poster for help in solving Mental Challenge: Puzzles enhance reasoning ability, patience, memory, thinking and focus. They are a fun and relaxing activity that happen to provide a great mental exercise Educational Game: Improves children's cognition on color and shape. Increases cognitive ability, motor skills, hand-eye coordination patience and problem solving ability. It is the most valuable parent-child game Special Gift: This Round Family Puzzle is a perfect gift with its stylish box, decorative use and long-term warranty fun. An intellectual game for all family members; children, teenagers, adults and even the elderly Wall Decor: You can also frame it after finishing, hang it on your home or office wall, and be proud of your success