Personalized 1st Birthday Elephant Toddler Long Sleeve T-Shirt. I'm 1! A baby elephant sprays water from its trunk to celebrate its first birthday! Cute gift for the one year old. 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.