The main character of the book is a boy named Sasha, who lives in a small town in the countryside. He is a curious and adventurous child who loves to explore the world around him. One day, while walking home from school, he notices that his backpack has transformed into a zoo, where various animals from different parts of the world are living. The book explores themes such as friendship, empathy, and understanding between humans and animals. It also highlights the importance of studying and understanding the evolution of technology, as well as the need for a personal paradigm for perceiving the technological process of developing modern knowledge as the basis for the survival of humanity and the unification of people in a warring state. The story is written in a simple and accessible language, making it easy for children to understand and enjoy.

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