The shapes of children's books are mostly spherical and bionic shapes of natural creatures such as animals and plants, which are relaxed and lively and interesting.

Books are Chinese characters, and they are the main tools used by human beings to record all achievements. A book generally refers to a collection of papers bound into a book and printed with words. It is also an important medium for human beings to blend feelings, inherit knowledge and gain experience, which is of great significance to the development and inheritance of human civilization. It is an important tool for human beings to spread and record knowledge. Tools for recording, analyzing, summarizing, organizing, discussing and explaining information, whether there are illustrations, hard copies or paperbacks, and whether there are envelopes, including preface, introduction, catalogue and index, are devices for increasing knowledge, deepening understanding, promoting and educating the human brain. The device needs visual or tactile form to exist and use.