In the video, a person is holding a clear plastic container filled with water. The container has a blue mesh net on one side and a ruler on the other side. The person is using their finger to push the water around inside the container. The water is clear and there are no visible objects or creatures inside the container. The person's finger is visible as they push the water around, creating ripples and waves. The container appears to be made of sturdy plastic and is rectangular in shape. The blue mesh net on one side of the container is partially visible, and the ruler on the other side is white with black markings.