This is a stone, which decorated in a suitable way, can become an interesting accent in the room.
You need only to find a suitable river stones, to clean, skim and dry them well. Then if you are a good painter, you can reproduce your world perception directly on the stone. If you aren’t good enough, you can trace out contours with a pencil and repeat them with paint. You should use an acrylic one, a relief contour, or a special stone paint, and after that you have to polish with a lacquer your creation, if you want to preserve your talent for the next generations.