nailing it with tires, with tires shaped like a horse, substituting a light for a ball, a playground swing. parodies featuring everything from homemade balls to exercise balls. ♪ to suspended exercise balls that require one to exercise patience. >> have you mounted a horse before? >> yes, but one that i know is not going to fall from a tree. >> reporter: university officials say they hope to eventually relocate it. other solutions? electrify the ball? >> they grease it down. >> reporter: but for now, the wrecking ball remains moth-balled, no more miley cyrus meets tarzan. jeanne moos, cnn, new york. happening now, the mother of