Puzzle is difficult but accessible for all ages- good for the solo puzzler or as an activity with family or friends. Our puzzle has 300 pieces (15"x10.2" inch), 500 pieces (20.4"x15" inch), 1000 pieces (29.5"x19.7" inch) the difficulty level is up to you. Puzzles can effectively inspire people's thinking, train their thinking, judgment and patience. Because it can relax the participants, the puzzle is also regarded as a classic casual game. Material: Our puzzles for are 1.8mm thick, bend-resistant, and sturdy enough that you can move entire sections of the puzzles by simply tugging at a single piece. No matter how large or small our puzzles, each is precision made so that every piece fits perfectly. Exquisite workmanship, tight bite, not easy to scatter, easy to move and carry. Jigsaw puzzles combination stimulates imagination, help to support childrens growth, build concentration and creativity skills, help adults brains to think active and prevent brain retardation. Exceptional gift for you and your children. Let's spend more time with our children and don't miss growing up with them. In the process of playing and learning, enjoy the joyous of family happiness. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.