Personalized Race Car 1st Birthday Toddler Long Sleeve T-Shirt. Race Car with the number 1 on it for a baby boy 1st Birthday is fun and colorful and comes on a party Toddler Long Sleeve Tee - Red gift. 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.