The Stafford Soap Box Derby will be holding it’s final Car Build Clinic on May 3, 2026 from 1-4 PM at the Elk’s Lodge #875, 11309 Tidewater Trail, Fredericksburg. This will be the last day to register for the event! You do need to come to the Clinic to finalize registration. If needed, you can borrow a car! Email info@rrsbd.org to organize getting your driver a car.