Remember to only use original parts supplied with the kit. Replacement parts can be purchased at the scout shop. Only decorative parts may be added. Must use original body, wheels, and axels that was part of the kit.
Maximum weight of the car for racing is 5 ounces.
The width, length, and bottom clearance must not be modified. This is important so the car will fit on the track without obstructing adjacent racer.
Decorative parts must be securely installed so that it will not come loose and affect other racers.