Skyscrapers sure do have a lot of windows, and these windows are cleaned and checked regularly. All this takes time, money, and puts workers at potential risk. Might there be a better way to do it? In this article, the author discusses a window-washing challenge and describes how students can tackle this task, pick up the challenge, and creatively improve this piece of real-world problem solving. He presents some aspects of the window-washing job that students should consider during their brainstorming and idea-generation activities.