In the video, a person is seen holding a balloon and a container filled with colorful beads. The person attaches the container to the balloon and then proceeds to fill the balloon with the beads. The balloon is then tied off and the beads are released into the balloon, creating a visually appealing effect. The video showcases the process of creating a balloon filled with colorful beads, which can be used for various purposes such as decoration or as a sensory toy.