In the video, a person is seen arranging a set of wooden triangles on a white surface. The triangles are arranged in a specific pattern, and the person adjusts them to fit perfectly. The wooden triangles are light brown in color and have a smooth texture. The person's hands are visible as they carefully place and adjust the triangles. The white surface provides a stark contrast to the wooden triangles, making them stand out. The video is shot from a top-down perspective, allowing the viewer to see the entire arrangement process.