Personalized 1st Birthday Unicorn Rainbow 1 Year Old Party Toddler Hoodie. 1st birthday party idea for girls has design that features a rainbow with little unicorn and hearts 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.