The manual presents a system of didactic games and exercises aimed at developing and correcting the cognitive activity of preschool children. Addressed to teachers-defectologists and teachers of compensatory preschool educational institutions, parents with children with developmental problems, as well as students of preschool and defectology departments of pedagogical universities. The manual is based on the publication published in 2001 by the authors A. A. Kataeva, E. A Strebeleva “Didactic games and exercises in teaching preschoolers with developmental disabilities.”