DENVER, CO - OCTOBER 28: Leah Rich pushes her strider bicycle off stage after presenting as students in Michael Caston's class Design for Marketability and Manufacturing presented their new product development feasibility projects on Wednesday, October 28, 2015. Rich's design is to help an aging population who may have partial mobility. The class is at the Metropolitan State University on the Aurora Campus. (Photo by Cyrus McCrimmon/The Denver Post via Getty Images)
