Personalized Best Teacher Fish Toddler T-Shirt. Toddler T-Shirt - Heather with cute and colorful school of fish says WORLD'S BEST TEACHER. Teacher fish is leading the way. Perfect teacher appreciation gift for your favorite educator. 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.