Personalized Owl 100 Days Kindergarten Baby Bodysuit. Funny 100th Day of School Baby Bodysuit - Black for teachers and students with 3 cute owls on a yellow ruler says 100th DAY OF KINDERGARTEN. Celebrate being 100 days smarter. 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.