In the video, a person is seen assembling a Lego machine. The machine is made up of various Lego pieces, including a silver cylinder, a black base, and a red button. The person is shown placing a black wire into the silver cylinder and then pressing the red button, which causes the wire to be pulled out of the cylinder. The person then demonstrates how the wire can be pushed back into the cylinder by pressing the red button again. The video is shot against a green background, and the person's hands are visible as they manipulate the Lego pieces.