Personalized Fire Truck 3rd Birthday Boy Youth T-Shirt. SOUND THE ALARM fire truck 3rd birthday boy Youth T-Shirt - White with a cute boy firefighter driving a fire truck and his Dalmatian dog. Number 3 on grill. BIRTHDAY BOY on license plate. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.