I tried to think of times when I had used teeming in a sentence. It came out with bugs and fishes. I did not want to do bugs, although they would have looked cool. I had thoughts about koi fish. I love koi fish, their gracefulness and the bouyancy floaty life they lead. So I went with a lake teeming with mechanical fish. Again I love playing with metal so that was huge fun and a great challenge.