T-Rex Dinosaur Hooded Jumpsuit for Babies and ToddlersEveryone loves dinosaurs, especially kids. But none receives the admiration of a child more than the T Rex. Let your little one pay homage to the king of the dinosaurs this Halloween with our T Rex Children's Costume. It's a scaly green jumpsuit made to instill fear with teeth that look razor sharp, spikes that run from head to tail, and funny little arms. Well, two out of three isn't so bad for an apex predator.