Personalized Ice Pop 3rd Birthday Youth T-Shirt. Cute 3rd birthday Youth T-Shirt - Heather with ice cream pops in summer colors says BEING THREE IS SWEET. Perfect for chillin' on a third birthday. 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.