In the article, on the basis of the works of Ukrainian and foreign scientists, the pedagogical foundations of the implementation of polytechnic playing activity are substantiated; revealed its significance in the formation of preschoolers' ideas about professions. Taking into account the modern achievements of pedagogical theory and practice of education, the features of labor education of preschoolers are analyzed. The article deals with the modern interpretation of the polytechnic idea. It is emphasized that modern informational and technical changes content, forms and methods of educational interaction, transformation of the child's position in the educational process, determines the transition to an anthropocentric paradigm of human formation, humanistic practice-oriented preparation of children for future work activity. The child's work is closely connected with playing activity. During work, kids often enjoy playing, and older preschoolers also often use playing for working. By playing, children like to reflect the nature of adult labor and relationship. The connection between working and playing activity of preschoolers is noted. It consists in the fact that through these activities the child generalizes and systematizes the idea of adult labor. The first emotional stage of professional self-determination is associated with working and playing. The study of adult labor, the performance of labor duties forms an idea of professions, leads to the fact that the first professional preferences are formed, professional interests are outlined. The author develops the idea that the innovative direction of the polytechnic idea provides for the implementation of the preschoolers` polytechnic playing activity. This scientific phenomenon is considered as a consistent, systemically organized, scientifically grounded, purposeful creative subject-subject interaction between the teacher and the child, for the purpose of labor education of preschoolers and the formation of their ideas about professions.