The manual presents the modeling of a subject-spatial development environment through modular structures and furniture, and reveals the requirements and principles for creating constructs. It contains photographs of modular play furniture, universal modules, author's drawings and approximate options for prefabricated play structures and organization of play space. Of interest is the model of the subject-spatial development environment of the group, which includes content, organizational, personal and material components. The manual is intended for practical workers of preschool educational institutions, institutions of additional education, parents and students of institutions of secondary and higher vocational education.