High quality: The circular puzzle consists of 1000 pieces of eco-friendly cardboard. The finished size is 26.5 x 26.5 inches (67.5 x 67.5cm). non-toxic, hard and smooth. Due to the special treatment of the surface film, the color will not fade even if it is stored for a long time. The pattern after completing the puzzle is very beautiful. It can be hung on the wall of living room, bedroom, study, etc. Easy to use: first create the four sides of the picture, then click the first half of the puzzle to put the pieces together in the same alphabetical order. This will make it easier for you to solve puzzles and find the missing pieces in time. Parent-child interactive game: This interactive puzzle game can bring unforgettable puzzle fun for the whole family and is the best choice for birthday and Christmas gifts. Development of intelligence: It can develop hand-eye coordination and help improve memory and ability to perform tasks. Puzzles can effectively stimulate people's thinking, practice thinking and judgment, and improve patience. Challenge and fun: The puzzle pieces allow people to relax and have fun in their free time. They can also develop children's thinking and practical skills.