This Luban Lock puzzle set offers a classic brain teaser challenge, with each box containing 200 individual pieces. The puzzles are crafted from wood and measure 50 centimeters in size, providing a substantial and engaging manipulative for children aged 6 to 12. Designed to test logic and spatial reasoning, these interlocking pieces are ideal for individual play or group activities in classrooms or party settings. Each puzzle comes packaged in an OPP bag for easy distribution. Sold wholesale by the box.