Dimensions

1. Total length of the racer must not exceed 7".
2. Width of the car (with wheels) must not exceed 2 3/4".
3. Height of the car must not exceed 3".
4. Wheels must be a minimum of 1 3/4" apart.
5. Minimum of 3/8" clearance under the car.
6. Car may not exceed 5oz. (141.5 grams). This is about the weight of 25 quarters.
7. The scale and measuring tools used by the Pack at registration are considered official, even where they may disagree with other scales or measurements. We do our best to ensure that these tools are accurate, and this ensures that everyone has an equal chance.
   

Other rules

1. Wheel bearings and bushing are prohibited.
2. The car shall not ride on springs.
3. Only official Cub Scout Grand Prix Pinewood Derby wheels and axles are permitted.
4. Only dry lubricant is permitted.
5. Details, such as steering wheel and driver, are permissible as long as these details do not exceed the maximum length, width, and weight specifications.
6. The car must be free-wheeling, with no starting devices.
7. Each car must pass inspection by the official inspection committee before it may compete. If, at registration, a car does not pass inspection, the owner will be informed of the reason for failure and will be given time within the official weigh-in time period to make the adjustment. After approval, cars will retained by race officials until the end of the race.
8. Scouts and their guest will be respectful of  all the competitors.
9. Have fun!

• Dremel Built for Speed Pinewood Derby Days
• Michael's
• Pinewood Derby in Boy's Life Magazine
• Official Pinewood Derby Car Designer