Personalized Unicorn Donut Toddler Long Sleeve T-Shirt. A cute little unicorn with a pink mane pokes through the hole of a donut while it munches on a bite sized bit of it. Cute gift for anyone who loves unicorns. 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.