DescriptionAs a kind of Chinese traditional puzzle game, Kongming lock carries with mysterious mathematical and physical principles. A wonderful intellectual toy for spare time palying. It can add a lot of fun to their lives and simply relaxing after stressed working hours. Disassemble the cube and spend time to reassemble it, fun and learning.Features- Color: As shown. - Material: wood. - Size: About 6.5x6.5x6.5cm. - Disassemble the cube and spend time to reassemble it, fun and learning. - Lu ban puzzle cube with fine craft design, not easy to decay and deform. - material with smooth surface design, no thorn, safe and durable for long lasting use. - This product aims at training kids imagination, eye-hand coordination and shape recognition. - Creative gaming tools, exploring your talents, simply relaxing after stressed working hours. - Intelligent puzzle toy. Users are attracted strongly at all ages.