At the training, we will explore subject-manipulative activity and its role in the toddler’s mental development. We will talk about the most important achievements of this period. You will receive detailed information about the stages of formation of the toddler speech and the features of the formation of bilingual speech. We will explore in more detail the features of mental development and personality formation at the age of 1-3. You will deepen your knowledge about the "crisis of three years", its external manifestations, and internal changes accompanying it.