In the video, there are two rats. One is brown and the other is white. They are both in a room with a blue tunnel and a purple tunnel. The brown rat is climbing into the blue tunnel while the white rat is climbing into the purple tunnel. The brown rat is also climbing into the purple tunnel. The blue tunnel is located on the left side of the screen and the purple tunnel is on the right side. The floor of the room is covered in wood shavings.