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How to paint a pinewood derby car to give it the ultimate finish

SAFETY FIRST: Ask an adult to help with tools you haven't used before.

paint-feature

Sandpaper and paint can turn a block of wood into a sleek pinewood derby racer that looks as smooth as steel. The trick is using the right materials and allowing plenty of time.

Don’t wait until the last minute! For best results, you’ll need to start at least a week or two before the race. You’ll also need help from a trusted adult.

WHAT YOU’LL NEED

  • Coarse, medium and fine-grit sandpaper
  • Liquid sanding sealer (sold at hobby shops)
  • Enamel paint
  • Decals or self-stick numbers (sold at stationery stores or hobby shops)
  • Clear gloss paint
  • Floor wax paste

WHAT YOU’LL DO

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Step 1: Begin by wrapping sandpaper around a block of wood 1 inch by 3 inches. Without a block of wood for support, sandpaper can leave dips and gullies in the pinewood body.

Round the corners of the pinewood with coarse sandpaper. Change to medium-grit paper for smoothing rough edges. Finish with fine sandpaper to remove any sanding marks.

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Step 2: Just painting the pinewood won’t hide the wood’s grain. Apply two coats of liquid sanding sealer. Let the sealer dry overnight before sanding it lightly with fine-grit paper.

If the grain still shows, apply two more coats of sealer. Let it dry overnight and sand again. Repeat the process until the grain disappears.

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Step 3: Choose a color for your racer. Then apply two to three coats of enamel paint to the pinewood body. Spraying the model with paint from an aerosol can is easier than using a brush.

If you use a brush, dip only the lower third of the brush into the paint. Use single, smooth strokes instead of dabbing the paint on the model. Blend the strokes so they can’t be seen.

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Step 4: Place a race number on the car. Seal and protect it by spraying the entire model with clear gloss paint. Some clear paints might make the numbers curl. To make sure yours works, test it on a decal or number stuck to scrap plastic before spraying your racer.

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Step 5: Let the clear paint dry for at least a week. Then cover the model with floor wax paste and polish to a high gloss. The wax will protect the car and help give your racer the look of shining steel.

JUST DO YOUR BEST

This project requires help from an adult and lots of time and patience.

Instead, you can always just paint your car with one layer of paint from your local hobby store. It takes only a few minutes, and it still looks great.

The important thing is to have fun and do your best.

MORE PINEWOOD DERBY FUN


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35 Comments on How to paint a pinewood derby car to give it the ultimate finish

  1. How many ~oz. will this paint job add to your car

    • From my experience, the paint does not add THAT much in weight. However, I ensured my car was about 4.5 oz before I painted it. I placed all the pieces of the car with the weight on a scale and checked it. This will allow for the weight of the wood glue after cuts for weights and for the paint. My car was exactly 5 oz, my son did kind of the same thing and ended up at 4.8 oz.

  2. awesome I love it

  3. Thanks a million! This was helpful.

  4. mom of twin scouts // January 5, 2013 at 2:31 pm // Reply

    Although it might seem obvious to some-we do all of the painting and sealing before putting on the wheels and axels. Otherwise you risk gunking up both.

  5. As a single mom, I can say THANK YOU, this really helped me out

  6. cool ::)

  7. we didnt need em it was so easy

  8. I am a single mom, and this is our first pinewood derby. I have no idea how to even start, so this is very helpful!

  9. Some boys don’t have a role model to show them this stuff, so braedenre10, no not everyone knows these steps. I’m happy to read this post as a dad!

  10. 1st place

  11. pinewood derby man // April 3, 2011 at 4:43 pm // Reply

    i think these r gr8 ideas

  12. Cool I like the ideas

  13. that makes it nice

  14. torofan6luvsoccer // November 24, 2010 at 9:45 pm // Reply

    whut if you dont have sand paper

  15. Cool

  16. great idea

  17. Kub Leader // May 15, 2010 at 10:33 pm // Reply

    I value the advice. Thanks alot.

  18. After the first smooth sanding, wipe the block with a damp cloth to raise the grain and then sand again.

  19. A smoother finish may be had by sanding in the direction of the wood’s grain, instead of against the grain.

    • Anonymous // May 4, 2011 at 8:59 am // Reply

      how can i make my car faster

    • CubScoutMama // December 3, 2011 at 8:06 am // Reply

      Good point about sanding with the grain. I think that a lot of people would assume that people already know this, but depending on how much woodworking someone has had, they might not. I learned it myself when I was 11 in Orioles. But no one ever told my husband. If I hadn’t known then our boys wouldn’t have known. It’s like cutting meat “across the grain” to make more tender cuts of meat. It seems obvious, but unless you’ve been told then you don’t know it.

  20. good idea.

  21. Any advice is nice! Thanks,

  22. i can use this in a lot of ways my awana car and for fun

  23. me likey

  24. everybody knows these steps! even boys that are my age know this!😡

  25. i not like it

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