Personalized 4th Birthday Rocks 4 Year Old Girl Toddler Hoodie. 4th Birthday Toddler Hoodie - Royal Blue have plaid heart design number four with princess crown and 4 Rocks quote. The Toddler Pullover Fleece Hoodie keeps little ones cozy and comfortable through all their adventures. Made with soft fleece and a smooth jersey-lined hood, it’s perfect for layering on chilly days. Ribbed cuffs and waistband help hold in warmth while side seam pockets add a touch of practicality for busy toddlers on the go.