The series consists of 12 books, 2 for each grade. For each book, there is an additional exercise book and picture book, both intended to give students more practical training for interactive learning. Books 1 to 4 focus on Pinyin and the basic structure of the Chinese language. Books 5 to 12 gradually build up the students’ vocabulary and develop their ability to use the Chinese language in daily life and communication.

These textbooks created in particular for students in the international schools, whose mother tongue is not Chinese. It has taken into account uniqueness of the learning environment in the international schools and students’ learning styles. Each lesson was carefully designed with a combination of words, sentences, pictures, games, songs, and exercises. English translation is provided throughout the series to help students and parents. The series contains a large quantity of materials that meet the needs of students at all the levels. Most importantly, the textbook, exercises and picture books provide as much rhyme for young students to learn language, and this makes it easier for them to catch up to the meaning and usage of words and sentences. As the metaphor "snowball" indicates, the series will enable students’ learning to grow at a rapid speed, like a snowball rolls down the hill. In completion of this series, students are expected to: