Personalized Whale 1st Birthday Toddler Long Sleeve T-Shirt. A cute smiling whale spouts its birthday hat off celebrating its first birthday! Cute gift for a 1st birthday present. 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.