Here's two dino patterns from an Ontario designer.
This way, you could have two different ones for the kids.
Her blog is here .......
Sew Fresh Quilts
Links to the patterns are here ......
Stegosaurus Dinosaur PDF Quilt Pattern Instant Download - Sew Fresh Quilts
Triceratops Dinosaur PDF Quilt Pattern Instant Download - Sew Fresh Quilts