Personalized Aviation Engineer Gifts For Kids Baby Bib. My Mommy is the Worlds Best Aviation engineer Baby Bib - White and Black has a worlds best occupation logo for the son or daughter whose Mom is an aviation engineer. Fun aviation engineer baby shower gift idea. Our Baby Bib is rated high in convenience and durability and with a variety of fashionable colors, your baby can be trendy. Mix and match to any outfit. 100% cotton ring spun combed heather colors are cotton-poly. Width 7.75", Length 11.75"