In the video, a person is seen holding a glass of water in their hand. The person then proceeds to add a drop of food coloring into the water. The food coloring is red in color. As the person adds the coloring, it begins to spread out and create a swirling pattern on the surface of the water. The person then uses a toothpick to stir the water, causing the coloring to mix and create a marbled effect. The person continues to stir the water, creating a mesmerizing pattern of red and blue colors swirling together. The video ends with the person holding the glass up to the camera, showcasing the beautiful pattern created by the food coloring and toothpick.