5 Non-Toxic Slime Recipes

Updated: April 30, 2019
Are your kids dying to make slime, but are you too worried about what it's made out of? Here are five natural, non-toxic slime recipes for kids of all ages.
kid making non toxic slime recipe

Are your kids dying to make slime? You might be hesitant to get involved with a slime project since traditional slime recipe include ingredients that don’t fit with a non-toxic lifestyle. Luckily, there are now plenty of natural, non-toxic slime recipes out there—and even better, they are easy recipes!

More: 6 Homemade Playdough Recipes

Making slime is a fun STEAM (science, technology, engineering, art, math) activity. It’s a simple way to introduce children to science concepts like polymers and molecules. It’s also a hands-on activity where the end result provides safe and kid-friendly entertainment. 

Here are five of our favorite natural and non-toxic slime recipes: 

DIY Non-Toxic Fluffy Slime Recipe


  • School glue
  • Shaving cream
  • Contact lens solution
  • Food coloring (optional)


Edible Slime from Starburst Candy


  • 1 bag of Starburst candy
  • Powdered Sugar
  • Cornstarch


From the Teach Beside Me blog:

  • Gather materials. You will want a couple of small glass bowls and a pot of water to cook on the stove (or a microwave). Divide the Starburst candies by color and unwrap. Place each color into a small glass bowl.
  • Mix ¼ c. powdered sugar with ¼ c. cornstarch.
  • Boil a pot of water and place the glass bowl into the pot to melt the Starburst candies. (Making it like a double boiler). Stir regularly to prevent burning. Once melted, remove from heat. You can also do it in the microwave for 2 – 30 second increments, stirring in between.
  • Turn onto a surface dusted with the cornstarch and powdered sugar mixture. Wait about five minutes until cooled. It can burn you at this point, so REALLY be careful!
  • Knead the melted candy with the powdered sugar mixture. Be sure to pull it and stretch it as you knead to let a lot of air into it. This will help it to be less sticky and more stretchy.

One-Ingredient Slime


  • Psyllium husk powder (or just buy Metamucil or orange slime that only involves one ingredient besides water)
  • Americolor Soft Gel Paste Food Color
  • Water


From the Fun Littles blog:

  • In a really large microwave safe bowl add 1 tablespoon of fiber supplement. Add your favorite food color and then mix in 1 cup of water. Give it a good whisk and place in the microwave for about 5 minutes. But do not walk away. The supplement will rise up so it is very important to use a large bowl so that the concoction does not bubble up and spill over. Check after 3 minutes, if it bubbles over, pause the microwave and then restart it. After 5 minutes, it will be like snake skin.

Edible Marshmallow Slime


  • 1 Bag of Mini Marshmallows
  • 1/4- 1/3 c. Coconut Oil or any vegetable oil -add more to make it less sticky
  • 1/2 c. Powdered Sugar
  • Rainbow Sprinkles or Edible Glitter Stars– optional but fun! We added 1-2 Tbsp.


From the Teach Beside Me blog:

  • Pour the whole bag of marshmallows into a large microwave safe bowl. Microwave for 30 seconds and stop. Then repeat. Two times was enough for our marshmallows to be entirely melted.
  • Add in the powdered sugar and 1/4 c. of oil. Mix well.
  • Let it cool for about 15 minutes. Coat your hands in some of the remaining oil and mix by hand. It will be really sticky, but you can continue adding a little oil until it can be held and played with without sticking entirely.
  • Mix in 2-3 Tablespoons of rainbow sprinkles.

Borax-Free Baking Soda Slime


  • Baking soda
  • Food coloring
  • Elmer’s clear glue
  • Glitter


From the Schooling a Monkey blog:

  • Mix 1/4 of a cup of baking soda into two cups of warm water and set aside.
  • In a second bowl, mix 5 ounces of Elmer’s clear glue (it must be the clear glue) and your chosen color.
  • Pour the glue mixture into the bowl of baking soda water.
  • The slime will start to form little balls in the water. Fish these out, and you’ve got slime.

You can feel good about all of these slime recipes thanks to their safe and non-toxic ingredients. More importantly, your child will love the fun of science and end up with a product that she can play with and feel proud of!

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