“…Referring to previous research with regard to the aspect of the relationship between the play and the space characteristics of playgrounds in Japan [4,13,17,38,39], the importance of the natural elements in children's playgrounds [5,6,23,29,40,41], and the extraordinary play conditions [20,21,42] in Japan, including the child-oriented categories of the play and, separately, playing space, were presented through the eyes of the children and included playmates, play objects, play equipment; roads, parks, schools, homes nearby, and so on. However, there were few papers classified by designers' position combined with the play styles and space characteristics as the design elements.…”