Dress your child in the Rex Dangervest Jumpsuit Classic Costume for Toddlers and he can be a galaxy-defending archaeologist, cowboy and raptor trainer this Halloween. Included in the set is a jumpsuit, an attached vest, fingerless gloves and a belt. The blue jumpsuit features an R (for Rex) on the chest. Rex, a character in The Lego Movie 2, likes building furniture and has no regrets. You will have no regrets about this costume. Your child will look adorable in it.