In the video, a person is seen painting a heart-shaped object with a yellow paint. The person is using a paintbrush to apply the paint carefully, ensuring that the entire surface of the heart is covered. The heart is placed on a flat surface, and the person's hand is visible as they work on the painting. The paintbrush is held in the person's hand, and the bristles of the brush are coated with yellow paint. The person's movements are steady and precise as they work on the heart, ensuring that the paint is applied evenly. The video captures the process of painting the heart in detail, showcasing the person's skill and attention to detail.