IQ Brain Teaser Kong Ming Lock Lu Ban Lock 3D Wooden Interlocking Burr Puzzles Game Toy for Adults Kids Educational Puzzles|PuzzlesMaterial: High quality woodGame features: 1, it is an unlocked educational toy. Shaped like a heart. It consists of wooden blocks of different shapes, hence the name.Your goal is to take it apart and install it as it isThe unisex educational toys began their thinking and diverged their thinking. A disturbing intellectual development disassembly toy, it is not a device that can be reassembled after being broken.It is easy to challenge yourself. The game can both exercise thinking and imagination, and exercise patience.In today's world, IQ is the starting point for people's achievements. From now on, purposefully cultivate children's IQ.