The problem's relevance stated in the article is determined by the following: forming preschool bilinguals' subject developing environment is connected with their active education and development, as well as with flexible preparation for studying at school. The purpose of this article is to develop methodology of textile developing materials' use in training kindergarten teachers of preschool educational institutions to practice oriented activities. The leading method of this problem study is a method of simulation which allows generating and putting into practice a model-transformer, giving an opportunity to intensify the process of children-bilinguals' education and development in a multicultural environment. The structure of the presented model of preschool bilinguals' subject developing environment with textile developing materials use in the practice of a kindergarten teacher in the context of implementation GEF PE requirements includes polyfunctionality, ethnic component and polyvalent space. The model is directed to textile developing materials' use in the kindergarten teacher's activity with children bilinguals. Presented research project "Subject developing environment of preschool education" for children bilinguals may be used as a basis of improvement pedagogical activity with preschool children and in training bachelors of professional education.