Structure game of children toys mainly through children build various objects or buildings to promote the habit of development of thinking and hands-on. it can form the purpose of using the brain and hand. in the process of using a variety of materials, children can directly understand the performance of various substances, meet all kinds of the shape of the material, quantity, etc.. And they can get knowledge and experience through use all kinds of materials. The design and the conception ability of the children also can get exercise. Such as building blocks to build up a building, and to make up a reservoir. it will be success after many failures, this is a good way to exercise children.