Without any nail or rope, can you fasten six cross battens together? Two thousand of years ago, a clever man, KongMing, invented a good way to solve this problem. He fixed three groups of battens intersect vertically by occlusion. The occlusive method was widely used in constructing. Adopting KongMIng's invention, people made a kind of toy called KongMing lock.
Look at this intelligent lock. Made of wood, it is apparently a crossed cube joined tightly. You can apply your mind to disassemble it. However, assembling process is not that easy.
Unexpected and ingenious combination will change your haploid traditional view and mode of thinking. It can teach you how to understand a thing from more aspects. What an impelling opponent against routine and stiffness. Do you have confidence to attempt and innovate? Go ahead!
Measurement: 3"Lx3"Wx3"H Preparation time: 2-3 working days