In the video, a person is seen building a structure in a game using blocks. The person starts by placing a block on the ground and then proceeds to build a wall around it. The person then adds a blue block to the wall and continues to build the structure. The person uses various blocks to create a square shape and then adds a black block to the center of the structure. The person then places a block on top of the structure and breaks it apart. The video ends with the person standing next to the structure.