Personalized Bob Toddler T-Shirt. Bob Toddler T-Shirt - Natural, from "Bob is a Unicorn" by Michelle Nelson-Schmidt. Bob has a big imagination, and he can't be pinned down by ordinary definitions. He believes he is a unicorn, and he lets everyone know it. 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.