Dinosaur Birthday Party Supplies, Party Favors and Party Decorations. Your child will love the Dinosaur party theme. This party theme features a Tyrannosaurus Rex, a Stegosaurus and a Coelophysis. Millions of years ago dinosaurs roamed the earth and with this party theme you can bring them back to life for a day. You will find a large assortment of Dinosaur party products including invitations, cups, plates, napkins, banners, party favors, stickers and more. Create an unforgettable birthday party for your “dinosaur lover” with our full selection of Dinosaur party supplies.