Personalized Unicorn Love Toddler Long Sleeve T-Shirt. Believe in Love! A rainbow of colors, cute unicorn, spreads the message of love. Believe! Perfect gift for a special friend, or yourself! 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.