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Yip Yip Costume Tutorial

Create your own DIY Yip Yip costume with our step-by-step tutorial! Transform into these iconic Sesame Street aliens for a fun and nostalgic Halloween look.

Yip Yip Costume Tutorial with Free Pattern

This Yip Yip Costume Tutorial has detailed step-by-step instructions and even includes a free downloadable pattern to follow.

Too busy to make this right away? Pin it for later! Pin this post to your favorite board on Pinterest and it will be there when you’re ready!

Are you possibly as excited for Halloween as I am??!?!? The boys’ Birthday is October 26th which totally adds to the fun factor! Check out these Yip Yip costumes that I made for the whole family this year.

Awesome hey!? We’re all going to be Yip Yips – from old school Sesame Street!

My original inspiration was from Disney’s Family Fun site. I had intended to make costumes for just the man and I but had enough fabric left over for the kiddos too!

Yip Yip Costumes Supplies

First off, I have tried to make these instructions as clear as possible with free patterns that you can download at the bottom of this post. Please keep in mind that this tutorial was originally written in 2010 with a few updates over the years for clarity.

This post contains affiliate links.

Supplies for this costume:

** cut into 70″ x 35″ for the top of the costume and for the bottom, three pieces 70″ x 12″, 70″ x 16″ and 70″ x 20″.

How to make a Yip Yip Costume:

1. Cut your fabric as shown in the pattern. Start with the body and pin the right sides together.

Yip Yip Costume on sewing machine

2. Sew along the dashed lines shown on the pattern, creating the head of the Yip Yip.

Yip Yip Costume Process

The mouth is left open at this point.

Yip Yip Costumes {and FREE pattern}

Here’s what the costume will look like turned right side out.

Yip Yip Costumes {and FREE pattern}

3. Cut the tentacles into the three pieces of extra fleece. The tentacles should be left about 4″ from the top of the fabric and 2″ in width.

Yip Yip Costume Process

They’ll look like this.

Now let’s work on the mouth.

Yip Yip Costume Process
Yip Yip Costumes {and FREE pattern}

4. Pin the black fabric to the opening of the mouth, right sides together.

It’ll look like this.

Yip Yip Costume Process

5. Sew the black mesh mouth to the opening of the mouth in the fleece. Turn right side out.

Yip Yip Costume Process

6. Now roll up your batting and pin it on the inside of the mouth, wrapping the fleece around the batting.

Yip Yip Costume Process

7. Whip stitch this into place.

It will look like this.

Yip Yip Costume Process

8. Sew the tentacles onto the bottom, layering the longest at the back.

Yip Yip Costume Process


9. Hot glue gun the eyes into place.

Yip Yip Costume Process


10. Twist two pipe cleaners together and hot glue gun a 1/2″ Styrofoam ball to the end. Repeat.

Yip Yip Costume Process

11. Twist the two antennas together and hot glue gun them to the eyes.

12. Paint black pupils onto the styrofoam eyes.

Yip Yip Costume Tutorial

The finished Yip Yip Costume should look something like this.

Yip Yip Costume Tutorial

Thank you for taking the time to scroll through my plethora of pictures. I am so glad that you stopped by. Please let me know if you’ve used this Yip Yip Costume Tutorial.  I would love to see your finished project!

Yip Yip Costume Tutorial

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Yip Yip Costume Tutorial

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Yip Yip Costume Tutorial

Yip Yip Costume Tutorial

Yield: 1
Prep Time: 1 hour
Additional Time: 2 hours
Total Time: 3 hours
Difficulty: Moderate
Estimated Cost: 30

Materials

  • Queen size fleece blanket
  • 20" x 30" roll of cotton batting
  • 13" x 13" of black sheer material
  • 2 - 4" Styrofoam balls
  • 2 - 1/2" Styrofoam balls
  • 4 pipe cleaners
  • black paint
  • paint brush
  • pins
  • coordinating thread
  • hot glue gun
  • sewing machine and accessories

Tools

  • 1. Cut your fabric as shown in the pattern. Start with the body and pin the right sides together.
  • 2. Sew along the dashed lines shown on the pattern, creating the head of the Yip Yip and leaving the mouth open.
  • 3. Cut the tentacles into the three pieces of extra fleece. The tentacles should be left about 4" from the top of the fabric and be 2" in width.
  • 4. Pin the black fabric to the opening of the mouth, right sides together.
  • 5. Sew the black mesh mouth to the opening of the mouth in the fleece. Turn right side out.
  • 6. Now roll up your batting and pin it on the inside of the mouth, wrapping the fleece around the batting.
  • 7. Whip stitch this into place.
  • 8. Sew the tentacles onto the bottom, layering the longest at the back.
  • 9. Hot glue gun the eyes into place.
  • 10. Twist two pipe cleaners together and hot glue gun a 1/2" Styrofoam ball to the end. Repeat.
  • 11. Twist the two antennas together and hot glue gun them to the eyes.
  • 12. Paint black pupils onto the styrofoam eyes.

Did you make this project?

Please leave a comment on the blog or share a photo on Pinterest

More costume ideas:

about heather

Hello, I’m Heather!

I'm an active mom of twin boys who is always looking for opportunities to inspire creativity through fun crafts, do-it-yourself projects and delicious recipes. This blog has been an integral part of supporting my little family and I am so grateful to have you become a part of our journey! Let's create together... Read more...

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Hi heather, working on them right now , greetings from Amsterdam!! They’re great!

Hello! Im working on these, but its the first timw for me following a pattern, so if I have a 70×70 I have to fold twixe to get 35×35, is this correct? And where in the pattern will the mouth go? Thank you!

Heya, I’m trying to locate the pattern and it hasn’t come through to my email inc junk! Are you able to send them to me?

Where do I find the printable pattern for the Yip Yip costume?

For some reason, I’m not seeing them. Can they be emailed to me?

Hello, Heather,

Your costume is great ;) Thank you very much for the tutorial ;)

I don’t seem to be able to find the pattern. Can you email it to me please?

Hello I can see a list of materials and 10 steps of instructions but can’t seem to find a pattern as such. If you have a pattern I would so much like it please, I have submitted my details to mailing list and received nothing including junk folder

Can you add me to the workflow as well? I would love to have the pattern. My daughter chose this costume for our Icelandic Halloween coming up in 2 weeks

I would love to get the pattern!

I would love to receive the pattern! So excited to start these!