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Race Car Halloween Boxtume

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Table of Contents
  1. Here’s how to DIY a cool Halloween costume…from boxes!

Here’s how to DIY a cool Halloween costume…from boxes!

When I was a kid, I was enchanted by Cinderella’s pumpkin coach but my boys are much more excited about racecars. Good thing my husband is handy with cardboard—he just made the likeness of a 1964 Shelby Cobra, 427! My boys are giddy with excitement. Since I’m part of the Mom It Forward Influencer Network, we made fun family memories this weekend building the car. I’m sharing the how-to directions so you can build one too. Thanks for the cardboard boxes Amazon Prime and thanks for sponsoring this post!

A sign in front of a box

All my guys are into cars. Ryan is already teaching the boys how to identify cars by their head and tail lights.

A wooden table

Crazy thing is, they get it!

DIY Halloween Costume

So when this “boxtume” Halloween costume challenge came up, making a car was a no-brainer. I think Ryan was just as excited as the boys. Maybe more! 

A person standing in front of a box

Ryan did most of the work—he cut up all the cardboard panels and the kids helped with some of the taping. Their enthusiasm was contagious.

A person standing in front of a box

I cheered them on and took pictures.

Costume and Cardboard

Rowen and Dax could hardly wait to “drive” their car. Rowen says it’s perfect for cruising the neighborhood.

A little boy sitting on a table

He is positive it only runs on candy. That boy is always thinking.


We are forever getting things from Amazon, both from personal orders and with sponsored posts I do for the blog so we have an abundant supply of cardboard boxes.

A close up of a piece of paper

I love Amazon Prime! It’s convenient, quick, and the free shipping is a great benefit. Besides, you can find just about anything you want. 

A blue and white box on a table

And then you have the empty cardboard boxes, just waiting to be transformed. Everyone knows kids love to play with empty cardboard boxes.

A boy sitting in a box

Turns out, dads do too!



  • (Shelby Cobra-Inspired) Racecar Boxtume
  • 2 extra-large 6 cubic foot Amazon Prime boxes
  • masking tape
  • painter’s tap
  • serrated utility knife
  • spray paint (we chose white, blue, and black)


1. Cut boxes so they will lay open and flat.
2. Cut the flat box along the folds, into four equal sections.
3. Next, on two of the pieces, trim off 6 inches from the top. Set the 6-inch strips aside. You’ll use them later.
4. Draw lines to create the car profile.
5. Line up two pieces and cut together.
6. Trim the two 6-inch strips down to 4 inches wide.
7. Tape the 4-inch strips along the top edge of the car, towards the inside.
8. Cut a piece measuring 10.5×22 for the car hood.
9. Make a crease down the middle so it lines up with the curve of the car. Place on the car, making sure the hood piece sticks out an additional 2 inches. Use masking tape to tape onto the car.
10. Cut a 10.5-inch piece of cardboard to connect and make the rear trunk lid.
11. To create the back of the car, cut a piece 2 inches wider than the car; fold to make creases. Tape onto back of the car.
12. Cut two 4-inch wide strips; tape to front of the car.
13. Cut a piece to fit between the two strips on the front. Cut an oval shape in the middle for the grill. Tape onto car.
14. Cut four triangle pieces to fill in gaps on the hood and then tape.
15. Cut a half circle, about 2 inches wide, and one 2-inch strip about 8 inches long. Tape together to form the roll bar.
16. Cut three 2-inch slits for the roll bar and insert roll bar into the slits. Make sure it is a tight fit.
17. Cut a piece for the windshield, making the top slightly more narrow than the bottom, to desired height.
18. Cut two equal pieces to form side windows; tape. The side windows also give support to the windshield.
19. Cut out steering wheel, four fenders and four circles for the wheels.
20. Cut out six small circles of equal size (approximately 3 inches in diameter) for headlights and taillights.
21. To make shoulder straps for wearing the car, measure your driver standing inside the car. Cut two strips of 2.5-inch wide sturdy fabric to the correct length. Hot glue the ends securely, inside the car.

To paint:
1. Paint wheels, steering wheel, roll bar and windshield black.
2. Paint two of the 3-inch circles white, for headlights.
3. Paint the remaining four 3-inch circles red, for taillights.
4. To paint the car, start by painting the entire center white. Allow to dry.
5. Tape two 2-inch wide strips down the middle of the car (this is for the racing stripes).
6. Now paint the rest of the car blue; allow to dry. We used two full cans of spray paint.
7. Once all the pieces have dried, remove painter’s tape; use a hot glue gun to secure pieces in place.

Proudly Prepared by the Spaceships Kitchen

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