As long as teachers believe that children are capable active learners, as long as teachers provide children with materials with unlimited possibilities, as long as teachers allow children to make free choices and make independent decisions, as long as teachers do not overly interfere with children's play , you will naturally find that children are constantly creating various new ways of playing, because one of the characteristics of children's games is that they are not satisfied with the existing ways of playing and existing levels. When children create new ways of playing and challenge existing levels, they are Actively explore and maintain a strong interest. However, if the materials are highly structured and have fixed functions, not only will the diversity of children's development be limited, but the children will soon be able to achieve the goals expected by the teacher and get tired of playing. At this time, the teacher will have to frequently change the materials, otherwise the children's games will It becomes passive and repetitive at a low level, and once it becomes passive the game is no longer really a game.