In the video, a person is seen assembling a Lego structure on a wooden surface. The person starts by placing a gray Lego brick on the surface and then proceeds to add more bricks to it. The bricks are of different sizes and colors, including gray, black, and yellow. The person carefully aligns each brick with the others to create a cohesive structure. The video captures the process of building the Lego structure from start to finish, showcasing the person's attention to detail and precision in their assembly.