Pedal power goes wild in the Kensington Kinetic Sculpture Derby, a design competition and parade of wild and woolly, human-powered sculptural/mechanical marvels. Kicking off at noon Saturday at Trenton and Norris streets, this KKSD will be easier to enjoy as Philly In Focus (a Comcast/NBC Universal media platform) offers video close-ups of floats on a 25-foot-tall LED screen.