) We dont do fast food but I play off the Happy meal idea.
) on long trips. We live 8 hours from family and do that trip a couple of times a year so I speak from experience here. You can find some inexpensive DVD players that go on the back of the head rest. Wait to get it out until she is bored with everything else.
I will also be taking a stash of Matchbox cars and books.

My kids love Wiki Sticks. They're like pipe cleaners in that you can bend them and make things out of them, but no sharp end. They are pieces of string covered with colorful wax. I always have some in my purse for times when we wait at restaurants, dr. office, etc.