The video shows a group of children dressed in white karate uniforms sitting on the floor in a classroom setting. They are all facing the same direction, and a man in a white karate uniform is standing in front of them. The man is demonstrating a technique, and the children are watching him attentively. The room has blue mats on the floor, and there is a green chalkboard on the wall behind the children. The man is wearing a black belt, indicating his rank in karate. The children appear to be focused and engaged in the demonstration.