Personalized Farmer Tractor EIEIO Little Sis Youth T-Shirt. Youth T-Shirt - Heather with cute farmer girl in overalls riding a red tractor with a cow, pig and chicken graphic says LIL SIS-I-E-I-O. EIEIO! Cute farm theme Old MacDonald sister gift. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.