Houston Matters ‘Commander Mark’ Still Teaching Kids To Draw. Mark Kistler of Tomball taught kids how to draw in 3D on his public television series The Secret City, and he’s still at it today.

Wall-mounted robot teaches kids how to draw, step-by-step By Ben Coxworth. November 16 ... in the video below. And if you like wall-drawing robots, you might also want to check out the ...