In the video, a person is seen assembling a glass bong. The bong is made up of several pieces of glass, including a base, a tube, and a mouthpiece. The person is shown attaching the pieces together using a green clamp. The bong is placed on a wooden surface, and there are other glass pieces and tools visible in the background. The person's hands are visible as they work on the bong, and they appear to be experienced in assembling the bong. The video provides a clear view of the bong's construction process, and the person's movements are deliberate and precise.