The video shows a person using a paintbrush to mix paint into a pink slime. The person dips the brush into a cup of paint and then into the slime, mixing it together. The slime is thick and gooey, and the paint is a bright pink color. The person repeats this process several times, adding more paint to the slime with each dip. The background is a bright yellow color, which contrasts with the pink slime and paint.