Soap box derbies feature motorless cars racing down steep inclines. Some contestants create elaborate designs for their cars, including shapes like cartoon characters, subway cars, and giant animals. These creative vehicles can also be made to resemble food and other unusual objects.

Further details about this unique event are available from the source. The designs add an element of pageantry to the traditional downhill speed competition.

A specific event in Portland showcases this combination of speed and creativity, but details about other locations or events are not provided. For more information, readers can refer to the original source.