Personalized Karate Joke Martial Arts Gifts Toddler T-Shirt. This karate gift idea has slogan that says I can't fix stupid but I can kick it in the face for anyone who loves to do martial arts. 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.