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Outdoor play has been formally recognized as an important part of education and creativity of children in recent years. The advantage of this approach is that they learn about the consequences of their choices and it helps to build relationships with other children as a catalyst for creativity; these activities have a significant impact for learning new skills and contributing of children. The playgrounds should be connected directly to other environments in order that children can move towards them to gain an understanding of new things. So walls and fences should be eliminated in playgroundsSeven criteria (7Cs) were recommended to design outdoor play spaces for children aged two to five. The 7Cs is based on findings identified from a five-year multidisciplinary study of outdoor play spaces at child care centers in Vancouver and include character, context, connectivity, change, chance, clarity, and challenge. This study conducted to review these criteria in ten kindergartens in Tehran which were selected randomly from different areas. In our cases the most attention pay to “change” and the least serve to “context” and total attention to the 7Cs is weak.

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Nowadays with the growth of urbanism, the vitality of the compatibility of public places and social needs has grown more important. Over recent years children have spent most of their free time doing activities with no physical effort involved. As a result, the idea of creating places designed to prevent this lack of physical activity is put forward.Unfortunately, it is usually observed that places specially built for children have been designed without taking the actual needs of children into account.
The research method of this article is analytical-imputative and descriptive which, by referring to sources of and essentials of environmental psychology and growth and analyzing them, has made an effort to compile design basics in accordance with children’s needs.
Considering the fact that children’s building is a content-analysis place in which a child’s most important childhood activity, playing games, takes place, children’s building can be interpreted as a playing games building. This interpretation brings forth the idea of “experience building”. According to Maslow it is possible to label childhood development as “self-development”. This study can offer solutions for creating creative environments for children