Personalized Little Brother Fire Truck Toddler Long Sleeve T-Shirt. I'm the Little Brother! A cute fire truck wearing a firefighter's helmet proudly announces that he is the little brother on a Toddler Long Sleeve Tee - White! 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.