The video shows a cartoon pig standing in front of a blackboard with numbers written on it. The pig is wearing a purple dress and has two horns on its head. The background is a classroom with a clock, a window with numbers, and a group of children standing in front of the pig. The children are wearing different colored clothes and are looking at the pig. The pig is talking to the children, and the children are listening attentively. The video is colorful and has a cheerful atmosphere.