Unique Storage Box -- Each package includes puzzle pieces, a tin box, and an original picture. Easy to store and keep organized. The numbers printed on the back help children who are new to puzzles, giving them a sense of accomplishment. Safe Materials -- The puzzle pieces are made of non-toxic and odorless wood material, with rounded edges safe for little ones. Durable and fade-resistant. The puzzles are well-cut for easy assembly and a perfect fit. The Benefits of Puzzles -- These puzzles are perfect for children's intellectual development. Puzzles help improve problem-solving skills and reduce stress, allowing children to learn while they play. They also help children pay greater attention to detail and provide mental training. A Gift Worth Giving -- These puzzles are suitable as gifts for children ages 4 and up. They make the best present for any occasion - holidays, parties, Valentine's Day, Children's Day, Christmas, birthdays, anniversaries, etc. Children will be delighted to receive these puzzles. Customer Service -- Your needs are our top priority. Please do not hesitate to contact us via email if you find a piece missing. We will replace it without question or qualification. We will respond to your inquiry within 24 hours. Your suggestions will help us make better products and provide better service.