Cincinnati Soap Box Derby - Stock Car for Sale. this car has it all and is race ready. Wheels, many weights, car dolly, extra parts etc.. $500. Contact mark.kaiser@oasisbrandsinc.com | Facebook
And they're off! Soap box derby returns to Westerleigh - silive.com
Soap box racers harness gravity, guts in St. Louis tradition | STLPR
Flint Soap Box Derby offers kids a chance to compete, learn life skills - mlive.com
DIY soapbox (soap box) gravity race car kit, by Derby Gokit.