Specification:
1. Item: Kong Ming Lock;
2. Material: wood;
3. Size: 6 * 6 * 6cm / 7 * 7 * 7cm;
4. Weight: 150g;
Features:
It has very mysterious mathematical and physical principles, even if it is disassembled in a short time, it is difficult to fight back.
Package Include:
1 * Kong Ming Lock