Personalized 3rd Birthday Train 3 Year Old Girl Long Sleeve T-Shirt. 3rd Birthday Long Sleeve T-Shirt - White choo choo train design has number 3 and flowers and bows for a girl turning three years old. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL