Happy Birthday customizable 3 Years Your Name Dinosaur Card. Cute third birthday happy cartoon dinosaur yellow Diplodocus happy birthday cartoon dinosaur with a big customizable 3 (three) and color stars against an green colored card. Type in any age, change the number 3 in any number you want! This bright colorful cartoon dinosaur birthday card is fully customizable! Add a name to make this birthday card personal and very special! This great customizable birthday card, add your images & texts! A special happy birthday cartoon dinosaur card to send to a big little dino fan!