Here's a hassle-free way for your kids to stay busy during a road-trip. Use a cookie-sheet as the go-to board for all of your kid's activities. Attach magnets to the back of puzzle pieces, letters or shapes. Use the metal cookie sheet to keep everything in place.
Use a craft storage container to hold a fast food meal. Makes you say "why didn't I think of that?"...
Recycle your liquid coffee creamer containers by using them to store snacks for the kids,