Color Changing Slime

Learn how to make color changing slime that changes colors when you touch it! It only take a few minutes to make this unique slime recipe.

holding slime stretched out so that pink is one one side and purple is on another with the title "color changing slime"

Continuing with my slime making craze, I wanted to see what it would be like to make color changing slime. There are a couple different ways, but the full homemade recipe uses thermochromic pigment which allows you to use the pigment for something else.

You can also make it the quick and easy way using color changing glue.

I’ve also created a handy set of slime recipe cards to print and cut out. Download them below or from the shop.

Note: Some links in this post may contain affiliate links, which means at no cost to you, I may earn a commission.

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14+ Slime Recipe Cards - Printable PDF

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Table of Contents

top photo shows hand stretching pink and purple slime with the bottom photo showing pink slime with a purple handprint. the title reads "step by step tutorial - color changing slime"

Quick and Easy Color Changing Slime

The quick and easy way to make color changing slime is by using color changing glue. You can buy it on Amazon. These glues already have the thermochromic pigment mixed in so all you need to do is mix in the slime activator and you’re done! However, if you want to make your own slime from scratch and choose your own colors, try making the full color changing slime recipe.

Homemade Color Changing Slime Recipe

These materials include the water and borax to make your own slime activator.

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Steps to Make Color Changing Slime

Pour some white glue into a bowl.

pouring white glue into a glass bowl

Before the next step, be sure to put on a dust mask. Any time you work with powdered pigment, you need to wear a dust mask to make sure you don’t inhale any particles.

holding a black reusable dust mask

Once you have your mask on, add some thermochromic pigment to the glue.

pouring purple pigment powder into a glass bowl with glue

Mix it together and keep adding pigment until you get the color you want.

mixing glue and purple pigment powder with a plastic spoon

Once the color is how you like it, add slime activator. To make your own slime activator, mix 1 tsp of borax with 1 cup of warm water.

pouring clear liquid into a bowl of purple liquid

Once the slime pulls away from the bowl, it’s ready to take out of the bowl.

Tip: I find it easiest to mix it with my hands at this point.

using hands to mix purple slime

Start stretching and kneading it until it’s smooth.

stretching chunky purple slime with hands

Depending on the type of thermochromic pigment you use, the color will start changing when you touch it. But to really get the colors going, I find it more fun to dip the slime in warm water.

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putting purple color changing slime into a bowl of water so it changes colors to pink

Then you can play around with it. Since my hand was cooler at the time, I was able to make a fun hand print!

Try dunking in one side and stretching it to compare the colors.

stretching color changing slime while showing the purple and pink colors

Then mixing it up gives a fun streaked appearance. Just have fun with it!

You can even have bowls of hot and cold water to make different designs.

stretching color changing slime with streaks of purple and pink

More Slime Projects

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top photo shows hand stretching pink and purple slime with the bottom photo showing pink slime with a purple handprint. the title reads "step by step tutorial - color changing slime"

Color Changing Slime

Learn how to make color changing slime that changes colors when you touch it! It only take a few minutes to make this unique slime recipe.
Yield 1 Color Changing Slime
Project Time 2 mins
Total Time 2 mins

Materials
  

  • 1 Cup Warm Water
  • 1 tsp Borax
  • White Glue
  • Thermochromic Pigment

Equipment

  • Dust Mask
  • Bowl
  • Spoon

Instructions
 

  • Pour some white glue into a bowl.
    White Glue
    pouring white glue into a glass bowl
  • Before the next step, be sure to put on a dust mask.
    holding a black reusable dust mask
  • Mix in some thermochromic pigment to the glue.
    Thermochromic Pigment
    pouring purple pigment powder into a glass bowl with glue
  • Add in slime activator. Make it by mixing the water and borax.
    1 Cup Warm Water, 1 tsp Borax
    pouring clear liquid into a bowl of purple liquid
  • Start stretching and kneading it until it’s smooth.
    stretching chunky purple slime with hands
  • Dip in warm and cold water to quickly have it change color and have fun!
    putting purple color changing slime into a bowl of water so it changes colors to pink

Notes

Make your own slime activator.
Keyword Color Changing, Slime, Slime Activator

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