Personalized Monster Truck How I Roll 4th Birthday Baby Bodysuit. 4th birthday Baby Bodysuit - Heather and Navy with a cute cartoon red monster truck with giant tires, flame decal and big number 4 with dashed road stripe says This Is How I Roll. 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.