The video shows a group of children in a martial arts class. They are wearing black pants and red shirts with black belts. The children are standing in a line and throwing punches and kicks at a ball that is being thrown at them. The ball is being thrown by another child who is not visible in the video. The children are focused and determined as they practice their moves. The background shows a blue mat and a basketball hoop, indicating that the class is taking place in a gym or a similar setting. The children's movements are precise and controlled, demonstrating their skill and discipline in martial arts.