Personalized Mechanic Nuts and Bolts Toddler Sweatshirt. Mechanic Nuts and Bolts Toddler Sweatshirt - White, with "mechanic" underlined with a wrench and bedecked in nuts and bolts, are a unique gift design for professional and weekend mechanics! Keep your little one cozy and stylish with this soft and durable toddler sweatshirt. Designed for comfort and ease of movement, it features a classic fit with ribbed cuffs and hem for added warmth. Perfect for everyday wear, playtime, or chilly outings, this sweatshirt is made to withstand the adventures of an active toddler