Personalized Science Magic Youth Long Sleeve T-Shirt. Science! It's like magic, but real. Magic hats and wands are nice, but they can't beat test tubes and math. Funny gift for anyone who loves science over trickery. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)