In the video, a person is seen interacting with a small crab on the sand. The crab is blue and white in color and is moving around on the sand. The person is using their hand to touch the crab and move it around. The crab appears to be alive and is moving its legs and claws. The person's hand is visible in the video, and they seem to be gently touching the crab without causing any harm. The sand is light brown in color, and the background is not visible in the video.