I have a small, light cloth bag that contains tiny chess and checkers pieces -- the bag itself has a fold-out flap that is the "board."

And then, there's this:

http://www.rei.com/product/716320/wi...pigs-dice-game

Saw it at REI, had instant flashbacks to many hilarious games of what we back in the day used to call "Pigmania," and just had to buy it!! (And, yes, I brought it along on a long-weekend tour, and my traveling companion and I did actually play it.)