Handmade Halloween: DIY Kid’s Rainbow Costume

JUL 17, 2018 updated May 20, 2021

For your unicorn lover this Halloween, we’ve found the perfect cut-and-sew project in Petal Signature Cotton™ from Rebecca Propes of Make & Do Studio. Featuring an oversized hanging rainbow and a plushie friend to match, you’ll feel like you’ve found the pot of gold at the end of the rainbow when you’ve finished this DIY Halloween costume! Warning: She won’t want to put away this look after Halloween.


Rebecca here from Make & Do Studio and I am so excited to be here on the Spoonflower blog sharing my DIY Rainbow Halloween Costume!!! Before we know it, summer will be over and one of my favorite holidays will be upon us…Halloween! Ever since I was a kid I lived for the magical day when I would dress up and run around the neighborhood on a quest for all the candy! Now that I have my own kids, Halloween has become an even BIGGER deal for our family of five, because in our house…you’re never too old to dress up and snack on some festive faves. I have DIY’d my fair share of costumes and since I have boys, I wanted to create a DIY costume suited for a sweet little lady. So, I came up with this darling DIY Rainbow Costume and what’s even better? I designed it as a cut-and-sew project. Ready to get started?

Rainbows, clouds and unicorns, oh my!

Materials

*Please note: This cut-and-sew project is suitable for children size 5T or smaller

1. I used my cloud design printed on Petal Signature Cotton to create the dress for the base of the costume. I found a basic A-Line dress pattern and followed the instructions accordingly.

2. To make the rainbow and props, start by cutting out the shapes from the fabric. You should have two rainbows, two unicorns and two suns.

3. After you cut out the rainbows, place them right sides together and pin all the way around. Next, use a straight stitch and sew all the way around leaving a small opening so that you can add some fiberfill.

4. Once you have the two pieces sewn together, trim any loose threads and cut some snips around the curve, being careful not to cut into your stitches.

5. Turn your rainbow right-side-out and lightly fill with fiberfill.

6. Make sure you flatten out the filling as you go and be sure to not over fill the rainbow.

7. Once filled, fold in you raw edge and stitch across the bottom of the rainbow to close it up.

8. Next, create clouds by adding pom poms across the bottom of your rainbow.

9. Attach the ribbon straps with hot glue.

Pro tip: To determine the length of your straps, have the rainbow wearer hold the rainbow in the spot they would like it to hang. Place the ribbon at the top of the rainbow, then behind the neck, and then bring back down to the other side of the rainbow.

Handmade Halloween: DIY Kid's Rainbow Costume | Spoonflower Blog

10. Once the rainbow is assembled…it’s time for the props. I followed the same steps above to assemble the unicorn as I did for the rainbow except for the unicorn, I sewed it with the right sides out, filled it, inserted a dowel and then used hot glue to close it up. To make the sunshine headband, hot glue yellow tissue fringe paper to a plain headband. Hot glue various triangles to make the sun.

And there you go! Even if it rains on Halloween, you’ll still have a bright sun and rainbow.

Want to make a big kid version of Rebecca’s rainbow? Create your own larger rainbow template from poster board and shop the Marketplace of rainbow designs to outfit the entire family!


About the Guest Blogger

From the time Rebecca was a little girl, she was always creating…in fact her weekly trips to the school library were driven by her desire to check out the latest in “Make & Do” books, so it’s no surprise what inspired the name of her blog, Make & Do Studio.

Rebecca has always been recognized for her budget friendly, DIY approach to design and you can follow her latest DIY projects over on Instagram @makeanddostudio

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