Personalized Chemistry Basic Toddler T-Shirt. Funny, joke Toddler T-Shirt - Purple for chemists and scientists with beakers and bubbling experiment graphic says You're A 10 Maybe On The PH Scale Because You're Basic. Perfect for geeks and nerds at the laboratory or office party. 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.