Adult Classical Wooden Toys Educational Toys Kongming Lock Chain IQ Brain Teaser

Adult Classical Wooden Toys Educational Toys Kongming Lock Chain IQ Brain Teaser

banggood Stationery

14.99$
11.99$
Specification 1ItemKong Ming Lock 2Materialwood 3Size6 5 6 5 6 5cm 4Weight150g Features It has very mysterious mathematical and physical principleseven if it is disassembled in a short timeit is difficult to fight back Package Include 1 Kong Ming Lock