In pictures: Weird and wacky soap box cars head for the hills and raise thousands | Shropshire Star
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
DIY soapbox (soap box) gravity race car kit, by Derby Gokit.
DIY Soapbox Car - YouTube
Hyundai Motor develops soapbox ride
13 gnarly soap box derby crashes that say 'Don't try this at home' - oregonlive.com
How to build a soapbox car: the ultimate building guide
Hyundai Motor develops soapbox ride
These People Are NOT Kidding Around With Their Soapbox Cars | WIRED
And they're off! Soap box derby returns to Westerleigh - silive.com