Personalized Dietician Future Toddler Long Sleeve T-Shirt. Future Dietician Toddler Long Sleeve Tee - Light Blue with a when I grow up I'm gonna be a dietician and colorful kids handprints. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.