In the video, a person is seen assembling a Lego structure. The person's hand is visible, and they are placing small Lego pieces onto a larger structure. The Lego pieces are primarily blue and white, and the structure appears to be a part of a larger Lego set. The person's hand moves quickly and with precision as they place each piece onto the structure. The background is blurred, but it appears to be a room with a wooden floor.