The video shows a person's hand holding a string, which is attached to a Lego structure. The person pulls the string, causing the Lego structure to move. The structure appears to be a model of a castle or fortress, with various Lego pieces and bricks in different colors and shapes. The person's hand is visible in the foreground, and the Lego structure is in the background. The string is attached to a Lego piece that is part of the structure. As the string is pulled, the Lego piece moves, causing the structure to move. The video is shot in a close-up view, focusing on the hand, string, and Lego structure.