DescriptionAs a kind of Chinese traditional puzzle game, Kongming lock carries with mysterious mathematical and physical principles. A really good tools for fostering kids, as well as adults logic thinking.A wonderful intellectual toy for spare time palying.Features- Color: Burlywood. - Material: Wood. - Size: About 7.5 x 7.5 x 7.5 cm. - Made of wood material, duable and safe for long-term use. - Teaches dexterity, coordination, mysterious mathematical and physical principles. - This product aims at training kids imagination, eye-hand coordination and color & shape recognition. - A wonderful intellectual toy for spare time palying and a perfect gift for your children, friends, etc. - Relief stress, develop intelligence, hand-eye co-ordination skills, improve dexterity, foster logic thinking, parent-child interaction, prevent Alzheimer's and more.
