Personalized 100 Days Of School 100 Days of Genius Baby Bodysuit. Not only is our Happy 100 Days of School outfit great for kids, but it also makes a fabulous gift for female teachers on the 100th day of school. Show your appreciation to the hardworking teachers and surprise them with this delightful present. Our 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.