Personalized 6th Birthday Unicorn Rainbow Girls Toddler Hoodie. 6th Birthday Toddler Hoodie - Red has adorable pastel rainbow with happy unicorn and I'm 6 slogan, perfect for a little girl turning six. 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.