In the video, a group of children are sitting on the floor in a martial arts dojo. They are all wearing white karate uniforms and are attentively listening to an instructor who is standing in front of them. The instructor is also wearing a white karate uniform and is demonstrating various karate moves. The dojo has a wooden floor and is decorated with Japanese calligraphy and martial arts equipment. The children are focused and appear to be learning the moves carefully.