Personalized Owl 100 Days Pre-K Baby Bodysuit. Funny 100th Day of School Baby Bodysuit - White & Heather w/ Ears for Pre-K teachers and students with 3 cute owls on a yellow ruler says 100th DAY OF PRESCHOOL. Celebrate being 100 days smarter. 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.