In the video, a person is seen building a structure using blue Legos. The structure appears to be a box-like shape with a flat top and a flat base. The person is carefully placing each Lego piece onto the structure, ensuring that they are aligned correctly. The background is dark, which makes the blue color of the Legos stand out. The person's hands are visible as they work on the structure, but their face is not shown. The video does not contain any audio.