Cool Dads Rock welcomes all for The 4th Annual CDR Soap Box Derby at Historic Old Fourth Ward Park. This derby is an all day family-friendly event filled with food trucks, music, prizes, cars, and, let's not forget, the soap box derby race. Racers are encouraged to use their creativity to design and build a human-powered soap box car and compete in a downhill race. If interested in registering for the race, please visithttp://www.cooldadsrock.com.