- The car must have been made during the current year (the year in which the derby is held).
- The width of the car shall not exceed 2-1/4 inches.
- The length of the car shall not exceed 7 inches.
- The weight of the car shall not exceed 5 ounces.
- Axles, wheels, and body wood shall be as provided in the kit.
- Wheel bearings, washers, and bushings are prohibited.
- The car shall not ride on any kind or type of springs.
- Any details added must be within length, width, and weight limits.
- The car must be freewheeling, with no starting devices.
- No loose materials of any kind (such as lead shot) are allowed in the car.
Derby Kit |
Start your engines |