Personalized Choo Choo 1st Birthday Baby Bodysuit. IT'S MY 1ST BIRTHDAY with colorful choo choo train with party hat, balloons, birthday gifts and big number 1 candle Baby Bodysuit - Light Blue. 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.