Personalized Owl 100 Days 6th Grade Baby Bodysuit. Funny 100th Day of School Baby Bodysuit - White & Heather w/ Ears for grade school teachers and students with 3 cute owls on a yellow ruler says 100th DAY OF 6TH Grade. 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.