TY CONF TI DEVELOPMENT OF THE THEORY AND PRACTICE OF EDUCATIONAL ACTIVITY KW game techniques KW preschoolers KW integrated education. JO II All-Russian Scientific and Practical Conference of students, teachers, practitioners "Education-Science-Practice" AU Zarzhevskaya, V.G. PY 2025 PB Autonomous Non-Profit Educational Organization of Higher Education "Kuban Institute of Vocational Education"