Personalized 3rd Birthday 3 Year Old Girl Outfit Toddler Hoodie. This cute 3 year old birthday idea has a lion wearing a party hat for a little girl. 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.