In the video, a person is seen opening a cardboard box while a dog is standing next to them. The person takes out a small card from the box and shows it to the dog. The dog sniffs the card and then the person puts it back into the box. The person then takes out another card and shows it to the dog. The dog sniffs the card and then the person puts it back into the box. The person continues to take out cards from the box and shows them to the dog, who sniffs each card. The person then puts all the cards back into the box.