Personalized Unicorn 3rd Birthday Baby Bodysuit. A cute unicorn with wings, a colorful mane and tail, and wearing a gold crown stands on a rainbow by a golden 3. Cute 3rd birthday gift. 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.