Industrial design aims to enhance technological , aesthetic and ergonomic requirements of product design , and also deal with all human aspects of products and their relationship to humans and environment, also aims to achieve good compatibility between human and the products . More recently there is growing interest in the field of industrial design and ergonomics, which focuses on children in early childhood with their special requirements, problems, needs and desires , which differ from those of adults, so clarifying these needs and make children as part of the design process became an important issue in the design research, to make products and places of work convenient for children . In this research there are set of basic standards for ergonomic design of children's toys that industrial designers must take into account in designing toys.