Personalized Owl 100 Days Pre-K Infant Tutu Bodysuit. Funny 100th Day of School Infant Tutu Bodysuit - Raspberry for Pre-K teachers and students with 3 cute owls on a yellow ruler says 100th DAY OF PRESCHOOL. Celebrate being 100 days smarter. Tutus are all the rage! This one is made of matching tulle and stitched right into a soft creeper.