Personalized Robot 2nd Birthday Toddler T-Shirt. Robot 2nd Birthday - A cute little robot wearing a birthday hat celebrates your little two year old's second birthday. 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.