I used a hard sided cooler to hold all my kids electronic gadgets, and a soft sided bag to hold all our trip snacks during our recent 18 hour drive. great to maximize space in the back seat and kept it neat and tidy and organized.
Road Trip Checklist: 10 Things to Do Before Your Next Car Trip
Road Trip Planner : How to pack real food for a family road trip. Since we don't eat quite so healthy, it wouldn't all work for us, but there are some good ideas for thinking out of the box & planning ahead.