Learning Toys for Airplane Traveling Preschoolers

My special needs son enjoys preschool level activities. Since we might have some airplane trips in our future, I thought it might be a good idea to create a list of quiet, self-contained, toys that have an added bonus of being good for learning too. If you're a homeschool family ( like we are ), then these activities would also be great for keeping a littler one occupied and happy while schooling the older ones. Click on the colored links, so you can pack an amazing backpack of fun toys for your next trip or rainy day at home! My criteria for these activities is as follows- SELF-CONTAINED- These activities often come with their own tin or case or are easily slipped into a backpack without additional packaging. NOT TOO MANY PIECES- This one seems pretty self-explanatory, but if you're traveling with little ones, you want to make sure you don't have too many tiny things to keep track of as you go about your trip. QUIET- None of these toys make noise or encourage the chi