In the video, a person is seen holding a stack of cards in their hand. The cards appear to be of the same design, with a blue background and a picture of a fish on them. The person then proceeds to shuffle the cards with their hands, mixing them up. After shuffling, the person takes out a ruler and measures the thickness of the stack of cards. The ruler is silver in color and has black markings. The person's hands are visible throughout the video, and they are wearing a white shirt. The background is a plain white surface.