I'm 4 and Getting Bigger Dinosaur T-shirt Posted on 2013/02/06 by admin If your preschooler loves dinosaurs, he'll love this cute “I'm 4 and Gettin' Bigger” t-shirt featuring a cartoon dinosaur. product tags: four, dinosaur, birthday, i'm 4 and getting bigger, fourth birthday, 4th birthday, 4 year old, four year old,