Personalized Civil Engineers Road To Happiness Baby Beanie Hat. Civil engineers build the road to happiness with images of a road, rocks, trees and sun is a funny gift design for civil engineers and engineering college students. This Baby Cap is a soft and comfortable essential for keeping your little one cozy. Made from 100% combed ringspun cotton jersey, this lightweight and breathable cap is perfect for newborns and babies. Designed with stretchy fabric for a snug and secure fit, it provides gentle warmth without causing discomfort. The classic, simple design makes it an everyday must-have and a thoughtful baby shower gift. Available in a range of colors to complement any baby outfit.