STEM built in to this clever arithmetic - tastic tee. Learn your Math, solve the problems of the world. Science, technology, engineering, and math t-shirt. Perfect birthday, holiday, back to school, leaving for school, college, gift for everyone For men, women, teachers, professors, parents, geeks, nerds. Great multicolored bright original artwork design to spread the message of the importance of STEM. Plumskum and Stem go together like a magnet to metal. Well-loved favorite everyday tee. Super soft cotton and excellent quality print makes one to fall in love with it over and over again.