The video shows a group of children in a gymnasium practicing karate. The children are dressed in white karate uniforms and are standing on a blue mat. They are following the instructions of an instructor, who is also dressed in a white karate uniform. The children are performing various karate moves, including punches and kicks. The gymnasium is well-lit, and there are other people visible in the background, suggesting that this is a group class. The children appear to be focused and disciplined as they execute their moves with precision.