Classical Wooden Educational Toys Unlock the Unlocking Loop Kongming Lock for Kids

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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.
Package Include:
1 * Kong Ming Lock