In the video, a person is seen holding a piece of cardboard and a paintbrush. The person dips the brush into a palette of paint and begins to paint on the cardboard. The person's movements are deliberate and precise as they apply the paint to the cardboard. The colors on the palette are vibrant and varied, and the person seems to be using a combination of different colors to create a design on the cardboard. The video captures the process of painting in detail, from the initial dipping of the brush into the paint to the final touches on the cardboard.