Personalized 3rd Birthday Train 3 Year Old Girl Toddler Long Sleeve T-Shirt. 3rd Birthday Toddler Long Sleeve Tee - White choo choo train design has number 3 and flowers and bows for a girl turning three years old. 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.