Originally Posted by sjpd

Target sells magnetic tangrams that my kids love - they can use the shapes to make animals or other "characters" and the packages come with maybe 8-12 boards per pack. My 3- and 5-year old think they are fun. Cheap stickers are really popular, as are post it notes.

Bring more snacks than you think you'll need, especially things that are "treats". For some reason my normally not-picky children turn into fine connoisseurs when confronted with airplane choices, so I have an endless supply of fruit snacks and animal crackers, both in short supply on land.