Twelve Wooden Intelligent Building Block Featured

This twelve wooden lock is a kind of intelligent toy called LuBan lock or KongMing lock. In the Chinese legend, it is a toy invented according to metaphysics by KongMing who lived in Three Kingdoms Period. It was once quite popular among the people. Looking simple in structure, it has infinite profound. You will find it difficult to complete the jogged work. What an excellent leisure toy to both old and young!
There are twelve notched battens, you are supposed to disconnect them and install them back to be the primary appearance. Owing to the design of geometric solid embedment, you need to show your ability of dimensional imagination. So to some extent, it can be regarded as a mathematic game.

Measurement: 2"3/4Lx2"3/4Wx2"3/4H

Preparation time: 2-3 working days

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