Personalized World’s Best Geometry Teacher Daddy Baby Bodysuit. My Daddy is the World’s Best Geometry Teacher Baby Bodysuit - White has cute world’s best design with slogan for the son or daughter of a Geometry Teacher. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.