Personalized 3rd Birthday Train 3 Year Old Girl Youth Long Sleeve T-Shirt. 3rd Birthday Youth Long Sleeve T-Shirt - White choo choo train design has number 3 and flowers and bows for a girl turning three years old. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)