Wood Marbles Building An exciting marble rolling game that is both educational and fun. Explore the concepts of symmetry, balance, sequence, and spatial thinking, and hone organizational skills and coordination. Foster the kid's space and thinking ability, through the manipulation of objects, increase the child's sense of balance, and strengthen object manipulation force, according to observe objects’ function, shapes and sizes, improve kid’s thinking distinguish ability. It not only increases the interaction between parents and children, but also cultivates the child's ability to communicate and collaborate.