I'm very into object lessons and this site has lots of good ones. Most of the time I use it as a jumping off spot and add or adjust things to teach the point I feel is pertinent, but this site has given me a good start on several occasions.
beat the dealer This is basically blackjack for kids. It's more fun with giant playing cards, but regular cards work fine too. Just as with blackjack, the player tries to beat the dealer's hand without going over 21. adapt for game show