Personalized Fire Truck 6th Birthday Boy Toddler Long Sleeve T-Shirt. SOUND THE ALARM fire truck 6th birthday boy Toddler Long Sleeve Tee - Black with a cute boy firefighter driving a fire truck and his Dalmatian dog. Number 6 on grill. BIRTHDAY BOY on license plate. 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.