Cultural & Origins: Kongming lock is a traditional Chinese intellectual puzzle toy, also named Luban lock. The concave and convex parts inside the three-dimensional interpolation toy mesh perfectly. Built-in assembly instructions, it is not recommended to disassemble and assemble directly according to the drawings, challenge yourself first.

Best gift: Our puzzles are packed in beautiful boxes, Easy to use and play, everyone in the family could entertain with it in your spare time, a best gift for children and adult.

Material:High quality durable solid wood, not easy to crack，The texture is clear and even.Luban lock materials are divided into three types, rubber wood, mahogany (safflower/Red sandalwood), mahogany (safflower/Red sandalwood) with wooden Bronzing gift box (with metal lock and handle)

Fun toys: 9 Different designs, 9 Different Fun. Force you to concentrate when you try to figure out the 3D interlocking puzzles. You can forget the annoyance and stress. Or keep your naughty kids busy for days. Great for party, BBQ, camping or just a nice day in the sun.

Challenges for adults and Develop kids Intelligence: Wooden puzzles may look simple,but they contains lots of mysteries,easy to disassemble but difficult to assemble,each wooden puzzle is special and unique. Each puzzle is designed to enhance kids perseverance and deduction power for improved mind sharpness and alertness.It's also a challenge for adults.