Product Name: Bamboo Kongming Lock Luban Lock Intelligence Toy Unit weight: 0.06kg Material: Bamboo Product category: Kongming lock/Luban lock Style: Six wooden boxes, bamboo Luban lock - octagonal ball, bamboo Luban lock - well shaped lock, bamboo Luban lock - barrel lock, bamboo Luban lock - six way, bamboo Luban lock - plum blossom lock, bamboo Luban lock - three way, bamboo Luban lock - dragon swing tail, bamboo Luban lock - fourteen sided body, bamboo Luban lock - small nine way, bamboo Luban lock - small wooden knot, bamboo Luban lock - round ball lock, bamboo Luban lock - square lock, bamboo Luban lock - football lock, bamboo Luban lock - six piece set A, Bamboo Luban Lock - Six Piece Set B Applicable target: male and female Applicable age: Children (4-6 years old) Processing technology: handmade Features: Unique design, exquisite craftsmanship, and a design rich block style, it is a highly challenging intelligence game. Players need to use their talent and wisdom to transform toys from one form to another, suitable for those who enjoy challenges. Kind reminder: The above sizes are all manually measured, and there may be slight errors. For reference only, please refer to the actual product!