The ability to think logically is inherent in any adult person to varying degrees, but this unique ability is not given to us by nature. It develops and is brought up from childhood.The manual includes a set of exercises aimed at developing the child's logical thinking. Tasks corresponding to the Federal State Educational Standards are given in a playful way and are built according to the principle of complication. In one lesson, several types of tasks are offered at once to encourage the child to constantly think and look for new solutions.Thanks to this book, an adult will receive full-fledged materials with methodological recommendations aimed at developing logic, and a child will be able to have fun and usefully spend time and expand your horizons.The manual is recommended for classes with children and is addressed to teachers of preschool educational institutions, tutors and parents.