Personalized My Mom is the Worlds Best Art Teacher Toddler T-Shirt. This My Mommy is the Worlds Best Art teacher Toddler T-Shirt - White has worlds best design for kids with my mommy is the worlds best art teacher occupation slogan for the son or daughter who’s mom is a Art teacher. 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.