Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Specification:
1. Item: Kong Ming Lock;
2. Material: wood;
3. Size: 11 * 7 *13cm;
4. Weight: 240g;
Features:
1. It has very mysterious mathematical and physical principles, even if it is disassembled in a short time, it is difficult to fight back.
2. The so-called solution is actually to find the way out from the garden where the paths cross by changing the geometric position. The three-post solution is a representative work of topological toys, which can be called a classic.
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