A group of young boys are performing jumping jacks in a gymnasium. The boys are lined up on a yellow and blue mat. The boy in the foreground is wearing a grey t-shirt and black shorts. The other boys are wearing blue t-shirts and shorts. The gymnasium has a high ceiling with fluorescent lighting. There are posters on the wall depicting wrestling or martial arts. In the background, other people can be seen. The video appears to be a recording of a sports class or training session.