Personalized ONE-I-E-I-O 1st Birthday Youth Long Sleeve T-Shirt. Fun farm theme 1st birthday Youth Long Sleeve T-Shirt - White with a big red barn, a cow, pig, rooster and tractor. Text says I'M ONE-I-E-I-O. Perfect for kids who love Old MacDonald. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)