The development of a child's intellectual abilities should be a constant concern of parents, educators and teachers. The book contains games and exercises that make this work with children interesting, naturally, contribute to the development of perception, attention, memory, imagination, the formation of intellectual functions and mental operations, and thus prepare the child for school, for successful learning. The second section of the book contains tasks and exercises for younger schoolchildren, which help develop logical thinking and, therefore, will make it easier for them to learn in the middle level of a secondary school. The book is intended for parents, kindergarten teachers and primary school teachers.