In the video, a person is seen coloring a picture of a jellyfish. The person is using a yellow marker to fill in the details of the jellyfish. The jellyfish is intricately designed with various patterns and shapes. The person's hand is steady as they carefully color within the lines. The video is shot from a close-up angle, focusing on the person's hand and the coloring book. The colors used in the video are mainly yellow and black, with the yellow marker being the primary tool used for coloring.