PHOTOS: The uniquely Philly contraptions at the 2018 Kensington Kinetic Sculpture Derby - On top of Philly news
Kensington Kinetic Sculpture Derby: A Other in Philadelphia, PA - Thrillist
A participant with a pink flying cat adorned bicycle in the 2019 Kensington Kinetic Sculpture Derby, Philadelphia, PA (may 11, 2019 Stock Photo - Alamy