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Best Unicorn Poop Slime Recipe – SUPER FUN for KIDS!

Every time I think the slime craze is over, it’s back again! My kids love slime – forever. This is a fantastic recipe for unicorn slime (which they call unicorn poop slime). All you need to get started is white school glue, liquid starch, and food coloring!

Unicorn poop slime piled on the table in all its pastel rainbow glory.

Unicorn Poop Slime recipe is a homemade slime fan favorite. Our recipe is the Original Unicorn Poop Slime and many have tried to duplicate this how-to-make slime tutorial.

I admit it, naming this slime recipe Unicorn poop slime gave me pause, but my kids insist – because, well, unicorn poop. Because unicorn poop is silly and slime is totally awesome and together it’s like mixing rainbows and kittens.

Ok, fine, it’s gross but here we are. Let’s just roll with it.

You may be asking yourself, what exactly IS unicorn poop. Well… according to about every major source out there, unicorns poop rainbows. Therefore, anything with rainbows is unicorn poop by default.

Rainbow unicorn poop slime being swirled on a table.
Unicorn slime is so fun to play with. I’ll admit, it’s not only my kids who play with this slime.

Get the Best (ORIGINAL) Unicorn Poop Slime Recipe for Kids

Download the FREE Unicorn Poop Slime E-Book!

There are so many great unicorn poop slime recipes here on MomDot, that I put this original one and a few others in a simple full-color download file! Just print it off here so you can enjoy them without having your smartphone handy.

This file is for personal usage and contains a recipe for unicorn fluffy slime as well as this original unicorn poop slime and other links back to the other unicorn slimes.

Your kids or classroom will love it! Do not worry, the PDF file has links that will send you right back to the original posts for more instructions and images.

Head to a desktop computer with a printer and download! Then you can take this mini booklet with you to events, friends’ houses, classrooms, and more!

Just click HERE or below to begin an instant download. 

Free unicorn poop slime ebook download graphic where you can get the best original recipes at once.
Click this graphic to get your FREE ebook download of some of my best original slime recipes all in one place!

Unicorn Poop Slime Step-by-Step

No matter how gross, silly or funny it is, the fact is making rainbow anything is awesome, so I am happy to provide the recipe for your enjoyment.

Homemade Slime is and of itself contains very few ingredients but can be a little difficult to get the right consistency on the first round.

The first time I made slime I end up with goop. Since then I have a lot of slime recipes on here and you can find them all and lots more messy play, here —-> Slime Recipes

Pastel unicorn slime piled on a table to look like a pile of unicorn poop.
Pastel rainbow slime makes a convincing “unicorn poop” recipe that’s so fun to play with!

Unicorn Poop Slime Recipe

Now before you get started, you will need a few things to learn how to make slime.

Unicorn Poop Slime Ingredients

  • White school glue – I always use GALLON-SIZED GLUE. Tiny bottles do not produce a lot of slime and this is an addicting project. Go ahead and get the gallon size. I have only seen gallon sized in craft stores like Michael’s and on Amazon (free shipping with Prime!)
  • Liquid Starch – This can be impossible to find, so also better to grab it online
  • Food coloring – I use Wilton’s Color Right for the best and brightest results – do not use gel coloring, because it’s hard to break up. This is a liquid colorant and does not dilute the glue.

How to Make Unicorn Poop Slime

Unicorn slime is a rainbow of pastel colors dripping from a pair of hands to show the uniform texture.
You can see the nice smooth texture of slime that you get from my original Unicorn slime recipe. It’s the best!

Making unicorn poop slime is more of an art than a science. There is so much that goes into the making of the slime, that merely measuring out is not going to solve all your slime issues.

This recipe will work out really well, I promise, but you’ll have to finesse it to get the texture just the way you want.

  • First, pour approximately 1 cup of white glue into a bowl.
  • Add your Wilton’s Food Colorant and stir.
  • Now add about 1/3rd- 1/4th cup liquid starch to the bowl and stir.

You will immediately see the slime form up.

  • Continue stirring for a minute or so and then pick up and begin kneading your slime.

I have added a video below on how to make slime and can help you if you have questions.

Once your slime is made, sit down and let it flatten out.

Combine your slimes for this pretty Unicorn Poop striped look. You will need 3-4 colors.

Unicorn Poop Slime without Borax

So why no borax in this poop slime?

Purex Sta-Flo Liquid Starch, 64 OuncePurex Sta-Flo Liquid Starch, 64 Ounce

PRO TIP: Many people do not like to deal with borax and water when making slime. You can also make slime by using LIQUID STARCH and glue.

It’s a ton easier. Simply use about 1/3rd cup starch in 1/2 cup glue (do this per color) and add starch little by little until you get the slime consistency you want.

Once it’s set, then separate the white slime and dye the colors you want in solo cups.

It can be pretty hard to find liquid starch, so pick this one up here (it’s the one I use) as well as a huge thing of glue so you can make tons of slime for all occasions.

Buying this way is a lot more cost effective and once you start making slime, you will def want to have glue on hand!


Purex Sta-Flo Liquid Starch, 64 OuncePurex Sta-Flo Liquid Starch, 64 OunceElmer's School Glue, Washable, 1 GallonElmer’s School Glue, Washable, 1 Gallon

Hand holding multicolored rainbow slime affectionally called unicorn poop slime because of the pastel colors.
The more you play with it the more the colors mix together, but it’s still so pretty!
Unicorn poop slime recipe in bright blue, yellow, mint green, and bright pink combined to make rainbow slime.
Make each color separately then combine them in stripes to make rainbow unicorn poop slime.

Do not forget to pin this recipe and see more of my Pinterest Slime Recipes by following me here! (but seriously, my Pinterest account is awesome, come over and let’s be friends!)

Rainbow unicorn poop slime recipe graphic with happy rainbow unicorns prancing across the photos.
Unicorns have rainbow manes, rainbow tails, and fart rainbows, so naturally, unicorn poop is rainbow too. Logic.

Head here to learn how to make Multicolored Rainbow Slime.

DIY rainbow slime recipe dripping off of hands showing the bright blue, green, red, and yellow colors.
Bright rainbow slime in primary colors is AWESOME. It’s fun to play with and the colors are mesmerizing.

Our SLIME BOOK Is Available NOW!

Love the Slime Recipes on MomDot? Our first book has been published and you can pick up a copy right on Amazon for yourself or gift it to a slime fan in your house!

It features not only some fun basic slime recipes and how to get started on creating your own but also some ways to use slime for holidays and gifts! Check out the book here! 

If your girl is a unicorn lover, check out this unicorn clothing.

Don’t forget to check out some of our other guides that can help you in the kitchen while cooking, or around the house!

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