Happy enlightenment. According to Aiwen Knowledge Network, Baby Bus is happy and enlightened. This stalk refers to a video series about children's enlightenment education, called "Baby Bus", in which most of the contents are children's songs, and the children's songs inside are very magical, so it has become a popular stalk on the Internet. "Baby Bus" tells the rules with catchy nursery rhymes and lively and interesting animations, so that children can sing and dance imperceptibly and gradually develop conscious good habits.