Personalized 1st Birthday Racing Car Boys Toddler Long Sleeve T-Shirt. 1st Birthday Race Car Toddler Long Sleeve Tee - White has cute Vroom, I'm One quote. art c. Ne Metzger. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.