Brenna Kilby, 12, has been racing soap box derby cars seriously for a little less than a year and she's already one of the fastest in the nation. Brenna Kilby, 12, has been racing soap box derby ...

Black and white photograph of the basic structure of Tongue-tied San Francisco Museum of Modern Art Artists' Soap Box Derby car created by Eleanor Dickinson.

The film follows Clarence Carter Jr., a young boy in Washington D.C. who builds a soapbox racing car to compete in the local derby ... including issues with the steering mechanism.

The film follows Clarence Carter Jr., a young boy in Washington D.C. who builds a soapbox racing car to compete in the local derby. With a limited budget, he carefully selects materials and faces ...