in a flying rv, there are three friends living. they are lively, cheerful, helpful children jumping dragons, gentle and kind qiuqiu, who is a "good student" in the class, and the honest, simple but a little lazy child. the rv they live in is affectionately called "happy family car". every day, they drive the "happy family car" to school, and all kinds of interesting things happen between their teachers and classmates in school, and grow up happily. this film is an animation shot by the shanghai art film studio in 1997