Product Features: Brand new, high-quality material: This educational box is made of wood, burr-free, safe and reliable, and very challenging for both adults and children. Box dimensions: Approximately 7.5 x 7.5 x 5 cm / 2.95 x 2.95 x 5 inches, making it a creative learning toy, an educational toy for children, a developmental toy for children, and an adult toy. Portable: It is not only an educational brain training toy, but also a beautiful gift box, a nice decoration, and a tool for testing intelligence or relaxation. How to open: After receiving this magical wooden box, you must keep trying to find the correct corner to open the box; if you hit the same spot again, the box will close. Perfect gift: You can give it to friends, family, or children; it is a great gift for those who like challenges and stimulating their brains. Product Specifications: Material: Wood Color: Red + Wood color Package weight: Approx. 180 grams Dimensions: Approx. 7.5x7.5x5 cm / 2.95x2.95x5 inches Note: Please allow 1-2 cm error due to manual measurement. Please make sure you do not mind this before bidding. Due to differences between different monitors, the picture may deviate from the actual color of the item. Thank you! Package includes: 1 puzzle box