Material:woodSize: 25.5 x 8 x 8 cmEvery Block Size: 7.5 x 2.5 x 1.2 cmFeatures:1. Can exercise on the child's hand， eye， and brain coordination， improve the stability of the hand big muscles and small muscles; 2. Cultivate children's endurance and concentration; 3. The enhancement of brain thinking and cerebellum balance， arouse the creativity of children's potential. 4. Use the same set of toys for adults， have adventure game effect， also can be used as a family game， enhance parent-child relationship; 5. Non-toxic toys use special paint， log color， more environmental protection non-toxic. The product not only can exercise person's hand-eye coordination and willpower， but also can develop balance， at the same time， the process of lego set can improve the patience and self-control， flexible application of hand muscle can exercise. The most important thing is nearly gamers can increase friendship and emotion.