Sometimes moms and dads think that up to 3 years old, the main thing in upbringing is to create the best conditions for the physical development of the child, mistakenly believing that the mental development of the baby can be done later. But the education and upbringing of the baby begins from the moment of his birth. At the age of 3 years, the most intensive development of brain cells occurs. So, according to modern studies, by the age of 3, the development of brain cells has already been completed by 70-80 percent. The book presents games that will contribute to the foundation of general mental development.