Personalized 4th Birthday Construction Truck Bulldozer Toddler Sweatshirt. Cute bulldozer for a 4 year old birthday party comes on a Toddler Sweatshirt - Chill for a little boy 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