This book is a valuable guide for parents seeking to understand the importance of the critical period of time that extends from early childhood to school entry. It highlights the importance of the first four years of a child’s life, which can play a prominent role in building his personality and forming his values. In a directive and inspiring way, the book provides more than 110 educational tips based on practical experiences and scientific research, which helps parents achieve correct and effective upbringing for their children during this vital period. This book is a practical and useful guide for every parent who wants to build strong foundations for his child's growth and development in the first stage of his life. The great emphasis on this stage reflects the importance of a deeper understanding of the importance of this sensitive period in shaping the child's future.