Personalized Believe in Bob Toddler Long Sleeve T-Shirt. With a little bit of imagination, you can be or do anything you wish. Believe in Bob Toddler Long Sleeve Tee - Light Blue from "Bob is a Unicorn" by Michelle Nelson-Schmidt. 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.