9 Pcs Set Wooden Kong Ming Lock Game Toys For Children Adults IQ Brain... (VERSION1: ENGLISHVERSION)

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VERSION1: ENGLISHVERSION

Specification:

1.?Item:?Kong?Ming?Lock;
2.?Material: wood;
3.?Size:?4.5?*?4.5?*?4.5cm;
4.?Weight:?20-60g;
5. Number: 9Pcs

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 Set??