Personalized Christmas Owl 3rd Birthday Toddler Long Sleeve T-Shirt. Christmas owl 3rd birthday Toddler Long Sleeve Tee - White with a polka dotted number three and adorable owl in a Santa hat and striped scarf. Look Who's Three! 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.