Personalized Cute Bowling Pin 6th Birthday Toddler T-Shirt. Cute bowling theme 6th birthday Toddler T-Shirt - Indigo with a bowling ball and a happy red and white bowling pin holding red and yellow balloons. Text says BEING 6 IS A BALL. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.