Personalized Carousel 3rd Birthday Youth T-Shirt. 3rd BIRTHDAY GIRL Youth T-Shirt - Black with sweet pastel carousel, pretty pony, balloons and the number 3. 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.