Personalized Middle Brother Announcement Boy Dinosaur Toddler Long Sleeve T-Shirt. middle brother dinosaur for your son to announce he is now the middle bro 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.