The video shows a person's hands holding two rocks. The rocks are labeled with the letters "B" and "A" in black ink. The person is using a yellow tool to chip away at the rocks, possibly to shape or carve them. The rocks appear to be of a light color, possibly white or beige, and have some darker spots or markings on them. The person's hands are steady as they work on the rocks, and the tool is used with precision.