Personalized 3rd Birthday Express Toddler Long Sleeve T-Shirt. Colorful choo choo train. Car number 3 is filled with balloons and gifts. Smoke stack says ALL ABOARD THE BIRTHDAY EXPRESS Toddler Long Sleeve Tee - White for a 3rd birthday. 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.