Did you know the CIA has games for kids on their web site? I had fun seeing how fast I could get the answer to all six coded messages on the site. I got all six correct in under 1 minute. Can you guess how I did it? See: Break the Code — Central Intelligence Agency.
LEFT: This has nothing to do with the answers above, other than the fact that you can get amazing things done if you are creative .... did you ever think of this: Shoelaces can be used to send coded messages.