What does honesty mean? Is honesty an important quality? Is it always easy to be honest? Is it fun to play a game with people who cheat? How do you feel when someone cheats? How important is it to play fairly? Which is more important, to win or to be honest? What can you do to help others play fairly? Can you show by example that it is better to play fairly?
To make this game more challenging, make the distance between the players longer and see how fast and how accurately they can deliver the message. The longer the distance and the more breathless (thus less articulate), the more forgetful the players become. Include family members in this game.