Perfect for boys who love dinosaurs and who are excited for their future sibling. Makes a perfect baby shower gift for a future big brother. I'm Gonna Be a Big Brother Baby Bodysuit. Our one piece baby bodysuit makes a unique clothing gift for newborns, babies, infants, baby showers and expectant moms. Quick & easy diaper changing with reinforced three-snap closure. This happy dinosaur is gonna be a big brother Baby Bodysuit. Patiently waiting for the baby's arrival.