Dinosaur Patterns - Popular Dinosaur Quilt Patterns You Need (freeapplique.com)
Here is another site for free dinosaurs applique patterns. Children are attracted to bright colors to stimulate their minds. How about something simple like a nine patch block with a couple of dinosaurs appliqued in various spots. Don't stress about it. I'm sure you can get some great idea's from Pinterest. Just search for children's dinosaurs quilts.