3 Themes: Regarding this educational book, we have divided it into 3 themes, the difference between boys and girls, basic sex education, and the process of childbirth. | About Boys & Girls: Introduce younger children of their more "private" parts, body functions while helping parents find a starting point in an open conversation with their children. In addition, we have specially designed tips to help children establish a sense of boundaries and protect themselves from violations. | About How is A Baby Born: How are babies born? Kids have a lot of questions about reproduction and babies -- and about sex and sexuality. awesome! Provides Answers - Reflects children's interest in how things work through fun, accurate, comic book-style artwork and clear, lively text, while giving them a healthy understanding of their own bodies. | 3 Series Busy Books: The whole set is divided into 3 books, each of which has a different theme. It introduces the structure of the human body, the digestive system, and the circulatory system, including the differences between boys and girls, how children are born, and so on. It is suitable as a learning book for children. | Benefits: Not only can children have gender awareness, but also basic education, so that children can protect themselves from an early age; the process of child birth can also give children a sense of belonging, let them feel that they are cared by their families, and promote parent-child relationship.