Going on a 9-hour plane ride with a 2-year-old this weekend. Any tips?

You can take books, crayons and a drawing book, any activity book, any board game that you can play with him. You can take a puzzle that he can be engaged in. Finger puppets. Check out this link below, you may get new ideas. http://childhood101.com/2013/10/25-ways-to-keep-toddlers-busy-on-a-plane/