Personalized When I Grow Up I'm going to Change the World Toddler Hoodie. When I Grow Up I'm going to Change the World Toddler Hoodie - Black. Your little boy may change the world some day! Why not show it off to your family and friends and prove yourself right later on? 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.