A "bookcase" for the car - genius! Could use it for toys and snacks too!

DIY Car Travel Book Storage For You And Your Kid. Could perhaps make it with a bottle holder and treat pocket etc.

Smart...head rest for their floppy little sleepy heads! What a great idea.

Rest-N-Ride Travel Pillow for Kids in Car Seats or Airplanes! try Sewing One with Scrap Fabric.

FlyeBaby is a hammock-type seat that can be used on an airplane during the cruise portion of the flight as a comfortable and convenient place to put your baby. It can also attach to most dining room chairs to serve as a portable high chair.

Portable Hammock-style Seat creates a secure and comfortable place for Baby on Airplanes & allows for face-to-face interaction. It can also be used as a convenient high chair. Folds for easy travel & will fit easily in a diaper bag