IQ Brain Teaser Wooden Cubic Toy Kong Ming Luban Lock

As a kind of Chinese traditional puzzle game, Kongming lock carries with mysterious mathematical and physical principles.

It is really a good toy for fostering kids, as well as adults' logic thinking. A wonderful intellectual toy for spare time playing.

Multifunction: Relief stress, develop intelligence, hand-eye coordination skills, improve dexterity, foster logic thinking, parent-child interaction.

All in all, this toy will make your life quite interesting.