Doctor Who Sonic Screwdriver Projector Pen Matt Smith takes over as the 11th Doctor! A new era for all Doctor Who fans! Great for any fans of Doctor Who ! Take home this Sonic Screwdriver Projector Pen based on the Eleventh Doctor Doctor Who series. It's sure to impress all your family, friends, and coworkers! Details to be determined at a later time. Measures about 7-inches long.