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How to Make Halloween Slime without Borax

Your kids will LOVE making spooky Halloween slime! This easy craft takes only minutes to make with plenty of time left to play. A full tutorial with ingredients, steps, fun add-ins are included in this post.

Orange slime in fist

There’s Unicorn Slime, Fluffy Slime, Ocean Slime… the sky’s the limit! Slime is a great way to occupy little minds and incorporate a little science, too. It’s an excellent rainy day or snow day craft for creative little ones.

Halloween will be here before we know it! I love the spooky - not scary - eeriness that Halloween brings. The darker colors, like greens, purples, oranges, and black create such a cool vibe - and they all work great as colors for this slime project.

You can adapt this themed slime to whichever colors you would like to use. I also have a basic slime recipe that is great for every other time of the year!

How do you make Halloween slime without borax?

This Halloween Slime recipe is super easy and only uses three ingredients! Warning: Stick to the list of ingredients below. If you substitute any ingredients your slime may not work.

Halloween Slime ingredients list:

  • 1 Bottle of Elmer’s Glitter Glue (6 oz) – For this slime recipe, you will need glitter glue in either orange or black. If slime is a hit in your home, you might consider purchasing the gallon size and then measure out for savings.
  • Baking Soda, ½ teaspoon
  • Contact Lens Solution, 1½ tablespoon – Renu Fresh or Equate are both good brands which contain Boric Acid and Sodium Borate. Do not substitute for other brands.
  • (Optional) – Add 2 tablespoons of water (up to ¼ cup) if you’d like a stretchier slime.
  • (Optional) – extra glitter in your choice of color!

Tip: Use food coloring to dye clear or white glue to the color and shade of your choice!

Bottle of Elmer's Glue in Orange glitter

Steps for Halloween Slime

  1. Pour the entire 6 ounces of Elmer’s Glitter Glue into a large mixing bowl.
  2. Add ½ teaspoon of baking soda and mix in thoroughly. For stretchier slime, add 2 tablespoons or more of water (up to ¼ cup).
  3. Slowly add in your contact lens solution (reminder: your contact lens solution should contain Boric Acid or your slime will not form). Add a few teaspoons at a time, while mixing. Knead and mix thoroughly before adding more as you do not want to add too much or your slime will not be pliable.
  4. Knead, knead, knead! Continue mixing until your slime forms and begins to harden. You may be surprised how much you need to knead to really make the slime form. If it’s not the desirable consistency keep kneading. If you find it to still be too sticky, add a little bit of lotion or baby oil to your hands.
Mixing orange slime in bowl

Slime Add Ins

Up the ante on sensory play with add-ins for different slime textures. Here are some ideas for cool things to add to your slime:

  • Food coloring
  • Glitter
  • Craft sand
  • Beads
  • Glow-in-the-dark pebbles
  • Figurines
  • Aquarium pebbles

How do you fix hardened slime?

Add water a little at a time to fix hardened slime as you knead.

How can I make my slime thicker?

If you end up with runny, goopy slime, add a ¼ teaspoon to ½ teaspoon of baking soda, then mix and knead for 2-3 minutes.

How to Make Halloween Slime without Borax

Orange slime in fist

This Halloween Slime made with contact solution is the perfect alternative to using borax.

Ingredients

  • 1 6 ounce Bottle of Elmer’s Glitter Glue
  • ½ teaspoon Baking Soda
  • 1 ½ teaspoon Contact Lens Solution, Renu Fresh or Equate
  • Optional – Add 2 tablespoons of water (up to ¼ cup) if you’d like a stretchier slime.
  • Optional – extra glitter in your choice of color!

Instructions

  1. Pour the entire 6 ounces of Elmer’s Glitter Glue into a large mixing bowl.
  2. Add ½ teaspoon of baking soda and mix in thoroughly. For stretchier slime, add 2 tablespoons or more of water (up to ¼ cup).
  3. Slowly add in your contact lens solution (reminder: your contact lens solution should contain boric acid or your slime will not form). Add a few teaspoons at a time, while mixing. Knead and mix thoroughly before adding more as you do not want to add too much or your slime will not be pliable.
  4. Knead, knead, knead! Continue mixing until your slime forms and begins to harden. You may be surprised how much you need to knead to really make the slime form. If it’s not the desirable consistency keep kneading. If you find it to still be too sticky, add a little bit of lotion or baby oil to your hands.

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Lindsey Lewis

Wednesday 30th of October 2019

Hi there! I love this recipe. I plan to make it with my fifth grade class tomorrow as a halloween surprise. Do you think this recipe will create enough slime for more than one student? Or do you think it would be for one student? I bought enough ingredients to make lots of batches but I figured I would ask. It's my first time making slime so I don't have much background knowledge. Thank you!

Anna Kate

Friday 1st of November 2019

Hi Lindsey! I hope your class loved this recipe. I'm sure you know now, but with this recipe you can divide it between two or three students max. Let me know how it worked out!

The Best Basic Slime Recipe without Borax • Project Stepmom

Wednesday 26th of September 2018

[…] The great thing about this recipe: it’s Borax free! Instead of Borax, this slime recipe uses contact solution. Most contact solutions contain Boric Acid, needed for transforming your glue into slime and much safer to use than Borax. If you choose to make slime with Borax, read my safety tips and how to protect yourself when using Borax in my Halloween Slime recipe. […]

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