Personalized Firecracker 3rd Birthday Baby Bodysuit. Cute Baby Bodysuit - White & Heather w/ Ears 4th of July 3rd birthday design with a big blue number three firecracker filled with red and white stars and star burst. Perfect for 4th of July third birthdays! 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.