2.Let children play a part in the process: Children greatly enjoy playing a part in the design process: this includes the study of the nature of the problem; thinking about their requirements and needs; considering planning alternatives; measuring, drawing, model-making and mathematics; construction and building; experiment, evaluation, modification and destruction. The process of community involvement, once started, never stops: the environment and its parts is always changing and there is no telling what it will look like. Contrary to traditional parks and adventure playgrounds, the appearance of which is a foregone conclusion, the possible kinds of environment determined by the discovery method and principle of loose parts is limitless. The children in the neighborhood will automatically involve all their brothers, sisters and families: this is design through community involvement, but in the total community the children are the most important. It is not enough to talk about a design methodology - the methodology must be converted into three-dimensional action, or it is wortWess.