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.

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.

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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!

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:

• 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

** 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.

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

The mouth is left open at this point.

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

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.

They’ll look like this.

Now let’s work on the mouth.

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

It’ll look like this.

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.

It will look like this.

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.

The finished Yip Yip Costume should look something like this.

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!

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5 from 7 votes

Yip Yip Costume Tutorial

Prep Time1 hour hr

Additional Time2 hours hrs

Total Time3 hours hrs

Yield: 1

Author: Heather Painchaud

Cost: 30

Equipment

• 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.

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

More costume ideas:

• DIY Yip Yip Costume
• Muppets Beaker Costume
• Plants Vs Zombie Pea Shooter
• Demogorgon Mask
• Plague Doctor Mask
• Plants Vs Zombie Chomper
• Demo Dog Costume
• Beetlejuice Costume
• Mario and Luigi Costume

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...