In the video, a person is holding a glass of water in their hand. There are several mice in a cage, and they are drinking water from a water bottle. The person is moving the glass of water around, and the mice are following it. The cage is made of wood, and the floor is covered with sawdust. The mice are of different colors, including black, brown, and gray. The person's hand is visible, and they are wearing a white shirt. The mice are active and seem to be enjoying the water.