Road Trip Snack Boxes for Kids - Boxes in the craft section at Wal-Mart and a variety of salty and sweet treats. Then on each leg of a trip (divided up into hour increments), they could choose one or two things to eat. Very convenient!
20 best ideas, activities, and resources for road trips with kids
Traveling with my kids.DIY Portable LEGO Kit with 24 Free Printable Activity Cards. A great idea for those times where you have to wait (Doctor's office, restaurant) or when you are traveling (great in the car or on a plane)! From Fun at Home with Kids
Car ride from Jacksonville to Orlando :) Big collection of road trip activities to keep kids busy in the car. plus super simple do-it-yourself lap boards! All this stuff kept my kids busy and content for hours in the van.