Personalized You are the best Unicorn I have ever seen Toddler Long Sleeve T-Shirt. When no one else sees Bob as a Unicorn, his friend the Fairy knows just what to do. You are the best Unicorn I have ever seen Toddler Long Sleeve Tee - Pink, 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.