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How to make slime without borax and only two ingredients!

Posted by  ·  September 14, 2018  ·  Last Updated: December 3, 2018

Have you ever wondered how to make slime without borax? This gak recipe is only two ingredients and is Borax free!  Yep, only two ingredients and you will be able to really impress your kids and keep them entertained for hours!

How to make slime without borax hand holding green slime

How to make slime without borax

Updated! I saw on the Today Show how Borax can burn kids while making slime.  I was shocked at the severity of the skin burns and checked to make sure my recipe was completely safe. Which it is! To be extra cautious always have kids fully wash their hands after playing. 

Slime Ingredients

Whether you call it gak or slime it is still the same thing and easy to make. You might already have these simple ingredients at home! This recipe is easy and really works!

  • liquid starch
  • white school glue
  • liquid food coloring
  • ziplock bag

In this recipe, the liquid starch is the activator.  In my other slime recipe baking soda and contact solution make the magic happen (we also add shaving cream to make it extra fluffy). Try adding more of the activator ingredients to get the desired consistency.  Be careful though…. too much will make it stiff.  First, be sure to spend plenty of time kneading the slime before adding more ingredients. Be sure to slowly add extra ingredients. The slime forms slowly sometimes.

The best part it is a safe recipe.  This recipe uses liquid starch instead of borax. This is more diluted. Why? Sometimes Borax can cause skin burns, so just to be safe we opted for a different recipe! We can’t stop making this slimy stretchy concoction at our house. Make this super easy two ingredient recipe with your kids knowing it is safe.  Read below for the gak recipe with step by step instructions.

Slime Recipe

Mix equal parts of liquid starch and glue together. We placed 1/4 cup of liquid starch and 1/4 cup white school glue into a sandwich bag and added about 3 drops of green food coloring. We do have the best luck with Elmer’s white school glue. Using a ziplock bags makes this mess free.

how to make slime easy

Next, add in 1/4 cup glue into the bag.

mixing two ingredient slime

Mix well. It will start to form a solid blob. There might be a  bit of liquid that will not mix in, just remove the blob of slime and discard the bag with the extra liquid. This takes time to allow the slime to form.

gak (slime) activity

Take it out of the bag and have fun! Slime is so mesmerizing! It is hard to keep from touching it which makes it a wonderful sensory activity.

Here is a printable slime recipe!

how to make gak (borax free)
4.3 from 17 votes

Slime Recipe

Whether you call it gak or slime it is still the same thing and easy to make. You might already have these two ingredients at home!

Keyword crafts
Prep Time 10 minutes


  • liquid starch
  • white school glue
  • liquid food coloring
  • zip loc bag


  1. Mix equal parts of liquid starch and glue together. We placed 1/4 cup of liquid starch and 1/4 cup white school glue into a sandwich bag and added about 3 drops of green food coloring.

Recipe Notes

We do have best luck with Elmer's school glue.

What does liquid starch do to slime?

Glue is a liquid polymer made up of long, repeating, and identical strands. This means that the tiny molecules in the glue are in strands like a chain. When you add the liquid starch, the strands of the polymer glue hold together, giving it a slimy feel. The liquid starch contains sodium borate and acts as a cross-linker that connects all the long strands together. They mix until the substance is less like the liquid you started with and thicker and rubberier like slime!

Where do you buy liquid starch?

We find our liquid starch in the laundry section at the grocery store. We use Sta-flo starch like this. (affiliate link). Looking for more ways to impress your kids?  Now that you have liquid starch to create slime you can also use the liquid starch to make the coolest marbleized paper.

sty flo liquid starch bottle


More Easy Ways to Make Slime!

Check out all these recipes!  I have found  14 of the best slime recipes. You will find magnetic, mood changing, bubbling, spaghetti and more! It is easy to create homemade slime can be pretty forgiving.  Let your kids get creative. They can try using glitter glue for a glittery concoction! I have even seen one recipe called for foam beads to make floam.

Here are the ones we make again and again at our home. You will find that most all of these recipes are made without borax powder. Liquid starch does contain a little bit of borax and contact solution contains boric acid. Don’t forget you can also use contact lens solution if you prefer.  I think you will find that the following recipes are safe and won’t irritate the skin. However, always make sure to wash hands after playing with slime and adult supervision is best.

Clear slime needs to set a few days but is super stretchy and CLEAR!

clear slime

Have you tried butter slime? It is more like a stretchy clay.

easy three ingredient butter slime

This fantastic fluffy slime is a huge hit at our house!

kids playing with slime

Check out my glow in the dark slime recipe. Now you know how to make slime without borax you can even make it glow!


Yes, you can make slime WITHOUT glue!

how to make slime without glue

Here are the best tips for making slime less sticky

less sticky slime

Slime Tips and Tricks:

  • Borax is good for squishy slime, but not ideal for long lasting slime or a super stretchy slime.
  • Use liquid starch when you want it to last longer.
  • Keep it a sealed baggie or airtight container and it should last for a couple of weeks or even months. Toss it out if it grows mold or dries out.
  • Too liquidy add more glue 1 tablespoons at a time. Be sure to mix well after each Tablespoon. Remember it comes together slowly.
  • Too sticky try adding more starch 1 tablespoon at a time, again mixing well.
  • If you get slime on carpet, clothing or in the hair remove it with white vinegar. For clothing soak the affected area in vinegar for a minute then rub to dissolve. Wash and dry as usual.

More Kids Activities

I have loads of more kids activities to keep children engaged and learning.  No reason to be bored!

Keep kids laughing with these kids jokes and these funny knock knock jokes. Kids loved these jokes.

Boredom Buster Activities These activities utilize your computer, paper, and printer!  Make fun paper toys for hours of fun perfect for a rainy day.

50 Kids Crafts and Activities This large list of kids activities keep kids engaged in crafting and playing! These are perfect ideas for summer fun!

Don’t forget to fill out a summer bucket list!

Here are over 100 fun summer activities for kids!…..

and if you love crazy concoctions try making oobleck! It is amazing!

Leave a Comment


  1. sarai
    Tuesday, February 26th, 2019
    I love Slime!
  2. Saturday, May 19th, 2018
    Amazing recipe 👍🏼
  3. Denise
    Friday, April 13th, 2018
    5 stars!
  4. zoe
    Thursday, November 23rd, 2017
    1.glue. 2.borax. 3.food coloring
  5. Judie Souder
    Tuesday, October 31st, 2017
    i have 2 great grand daughters and they love to make things....thank you for your posts....
  6. Maddy05!!!
    Thursday, October 26th, 2017
    Good idea... but here is another slime recipe I love! putting the 1/2 cup glue first then adding 1/3 cup of shaving cream... (this will make your slime fluffy) but don't add more then the amount of your slime. then about however much liquid stararch you need (I just add it in in go) and i also put it into a bowl to mix it. It is way easier. And that's how to make fluffy slime!
    • Cindy
      Monday, November 13th, 2017
      WOW sounds cool! Maddy thanks so much for sharing! We can't wait to try it out!
  7. Carole
    Monday, August 7th, 2017
    I have tried and tried to make this slim and still I can not do it,I am doing all what you say but still no good please help thank you
    • Cindy
      Friday, August 11th, 2017
      Carole, the more you mix it the better it gets. Remove what is formed from the liquid (there will be some extra liquid) then knead, pull, stretch until you get the desired consistency. If you read the comments, some people let it sit for a minute then when they came back to it, it was a better consistency. I hope this helps.
  8. Monday, May 1st, 2017
    This is awesome for summer time! my kids would love it. Thanks for sharing.
  9. Lin
    Friday, April 14th, 2017
    Thanks for much for sharing. My granddaughter is in the backyard playing away with the slime we just made. So much fun.
  10. Amy Jo Maruschak
    Sunday, April 9th, 2017
    You do realize that one of the ingredients in the Sta-flo starch is BORAX? Specifically "Sodium Tetraborate". You shouldn't be promoting this as safer than slime made with Borax.
    • Cindy
      Sunday, April 9th, 2017
      Hi Amy, I do, however it was my understanding that it is in such a diluted form and when in used in this recipe is okay. Here is another recipe that you might like better that has no borax.

      · 1/2 TBSP of Baking Soda
      · 1 TBSP of Contact Solution
      · 4 fl oz Elmer’s White school glue
      · Your choice of food coloring

      1. Find a bowl, cup, or plate to mix your slime in

      2. Pour out the entire contents of a 4oz of Elmer’s school glue into the bowl.

      3. Add ½ TBSP of baking soda and mix

      4. After mixing, add your choice of food coloring.

      5. Mix and/or add more food coloring until you get the color you want

      6. Add 1 TBSP of Contact solution

      7. Mix until slime forms and it begins to get harder to mix

      8. Take the slime out and begin kneading with both of your hands

      9. If needed, add ¼ TBSP Contact solution to make the slime less sticky.
  11. Thursday, March 30th, 2017
    My 11 year old LOVES slime! At first, I made it for her with Elmer's and Borax. Then she decided she wanted some super soft version with shaving cream? I don't know, I outsourced it to my husband because I'm not like you, Cindy, all crafty and stuff!

    But I'd never heard of liquid starch. It sounds like I should get some!

    xo Nicole
    • Cindy
      Friday, September 14th, 2018
      Nicole, I love slime with shaving cream. It makes a super fluffy slime. Here is my recipe for fluffy slime.
  12. Heather
    Wednesday, March 29th, 2017
    I am a school nurse and had a student with severe dermatitis on hands from the slime she made. However, it didn't have Borax. She had issues with the liquid starch. It is important to have them wash hands after use and not play with it for long periods of time. Our Science teacher feels really bad about introducing the borax solution to the kids.
    • Cindy
      Thursday, March 30th, 2017
      Thanks Heather, that is a great reminder to have kids wash their hands after play... it is so easy to forget but even washing after playdough, magnetic sand etc is important.
  13. Jessica
    Tuesday, March 28th, 2017
    for those of you who are having problems making the GAK,

    i found that if you use 2 spoonfuls of glue and then 1 spoonfull of sta flo (so basically 2 parts glue to 1 part liquid starch) it tends to come out really well. You dont have to mix it for more then a minute before a thick blob forms and you can take it out of the mixing container and mix it more with you hands.
    • Cindy
      Wednesday, March 29th, 2017
      Thanks so much Jessica for sharing your slime recipe. I will give this a try. It also helps to let the original recipe sit a minute and then keep mixing.
  14. Letty
    Thursday, January 19th, 2017
    I tried this recipe, to no avail. It didn't work. I mixed and mixed for almost an hour, and it never became thick. Could you maybe help me? Thank you.
    • Cindy
      Wednesday, March 29th, 2017
      So sorry Letty we have made loads of slime with this recipe. Did you see Jessica's comment about using less starch? Maybe that would work for you.
  15. Barbara Pabst
    Thursday, June 9th, 2016
    I used a bit of water and less Starch. Turned out great! Using this as cave slime craft for our VBS. Going to try Glow in the dark slime!
  16. Monday, March 30th, 2015
    So cute. gonna try this!
  17. Emily ragan
    Thursday, June 26th, 2014
    I loved this trick, it worked and now we have some fun goo to play with
  18. Sunday, April 20th, 2014
    i have to try this for my kiddo. he will love it =)
  19. Nola
    Sunday, March 2nd, 2014
    Thanks for this, i just don't know where to get the Liquid Corn Starch. Sugestions!?
    • Monday, March 3rd, 2014
      Nola, You can find liquid starch in the laundry section at a grocery store. Hope this helps!
  20. Sarah
    Tuesday, July 23rd, 2013
    Super disappointed in this!! The glue didn't take on the color. And it was really wet still- not like the slime I remember as a kid!!
    • Cindy
      Wednesday, March 29th, 2017
      Hi Sarah,
      Try mixing the food coloring with the starch first and see if that makes it easier. There will be some liquid left over, just leave it in the bag and remove the blob of slime. As kids work with the slime the texture will change. It might not be perfect but will still provide hours of enjoyment.... and the best part no borax, so it won't cause any skin burns.
  21. erica
    Wednesday, May 22nd, 2013
    Would it work with home-made liquid starch (corn starch and water mixture)?
    • Cindy
      Wednesday, March 29th, 2017
      Not sure Erica, If you try it please let us know if it works.
  22. Brenda
    Thursday, May 16th, 2013
    My class had so much fun making this for our Science night at school, so! easy to do.:)
  23. Kayla
    Thursday, April 18th, 2013
    Add borax to the mix. The ratio is 2 parts glue, 1 part starch, and 1 part borax. The more borax the harder it becomes.
    • Cindy
      Wednesday, March 29th, 2017
      Thanks Kayla, I was avoiding the borax because it can sometimes burn the skin. I know though loads of people make it with borax and have great results.
  24. Kerrie
    Friday, March 29th, 2013
    I made this today for my boys ages 3 & 4 they loved it but it is still too sticky even after playing with it for a while. Is there anyway to speed up the process of making it less sticky?
    • Cindy
      Wednesday, March 29th, 2017
      Kerry you could try less starch.
  25. Friday, March 8th, 2013
    My sister was just telling me about this! Fun!
  26. Meg
    Friday, February 8th, 2013
    We made this tonight and I thought it wasn't working either. It was VERY "WET" when we took it out of the bag and it stuck to our hands a lot. But the more we played with it the better it got! Very messy but my boys (ages 5 & 8) LOVED it!!
  27. Cass
    Wednesday, January 16th, 2013
    I'm surprised! We made this tonight and we're
    Very disappointed as it didn't come out. We used
    1/3 cup Elmer's glue and 3 drops of red food coloring
    And then added 1/3 cup of liquid starch. It never
    Formed a ball. We kept mixing and mixing in the
    Baggie. Sigh. I'm sure I missed something.
    • Cindy
      Wednesday, March 29th, 2017
      So sorry Cass! This recipe works great for us, but you might try using 2 parts glue to 1 part starch and see if that helps.
  28. Jerri Orcutt
    Sunday, January 13th, 2013
    I have been looking for projects to do with the girl that I mentor in school. I am going to try making the slime with her. Looks fun.
    • Cindy
      Wednesday, March 29th, 2017
      Hi Jerri, Hope you like this slime recipe.
  29. Jewel
    Thursday, January 3rd, 2013
    I use to do this in the Art Room when I was in High School all the time. Just throw a little acrylic paint in there instead of food coloring, it all works the same.
  30. Dolly
    Thursday, January 3rd, 2013
    Ewwwwwww......soooo cool .....; )
  31. Thursday, August 30th, 2012
    Great idea...Im a new follower and posted this on my blog...to track back to your site..

  32. Georgie
    Friday, July 27th, 2012
    Does clag school glue work or does it have to be more of a wood glue consistency?
  33. Extreme?
    Tuesday, June 26th, 2012
    I found this recipe because I was looking for a GAK recipe without using Borax. Borax is a poison and I am not comfortable with my children handling it. I looked up the ingredients of this brand of liquid starch and it contains Borax. I wanted to let other moms know in case they were interested. You can make home-made liquid starch with corn starch.
  34. Wednesday, May 16th, 2012
    I just made this with three children - we used fine glitter instead of food coloring and at first I thought it was horrible - it was very stringy and didn't stick together at all, plus it was super... "juicy" I guess is the word. But I kept kneading it for brief periods and washing my hands in between, letting it sit for a little while, and after a while the consistency was excellent. I think the trick is to get the extra liquid off and then it's good. Just for comparison's sake I live almost at sea level in a dry climate and I used Sta Flo brand liquid starch and Elmer's glue. It turns out a four ounce bottle yields just over a third of a cup (it should be half a cup because 4 oz is 1/2 c, but I guess it sticks to the inside and you don't get that much out unless you're REALLY patient). So if everyone has their own 4 oz bottle of glue you can just measure out the starch and then have everyone squeeze their glue into the bag. You could use the bag in a cup trick to hold it upright so it doesn't spill.
    Also - if you have extra liquid just add more glue to it and you'll get more gack! It worked for me.
  35. M. Dwyer
    Sunday, May 6th, 2012
    My 8 year old has to do a "How to" demonstration in front of the class. He is going to have the entire class join in on the fun and make it at the same time. We tested several methods and this one was best for the whole group demonstration- all you need is Sta Flo, Elmer's Glue, food color and a baggie (or two). Don't forget to mix and mix and mix! We then needed to drain the left over water/ingredients and place in another clean bag. He can't wait to share it at school!
  36. Tim
    Monday, April 16th, 2012
    I just made this, with the exact formula (Elmer's, and sta-flo) and it didnt turn our right. I bought real gak from target last week, and decided to make some on my own.i feel like its missing another ingredient. It smells like gak, but it's harder and less like slime than the real stuff. Don't get me wrong it's still fun to make, but don't expect it to be exactly like the original
    • Cindy
      Wednesday, March 29th, 2017
      Yeah Tim, it isn't exactly like the original.. it is missing some harmful ingredients, but it still is a super fun slime recipe!
  37. Lindona
    Saturday, April 14th, 2012
    um i dnt have liquid starch so i kinda put water in the cornstarch nd waited for a few seconds then added the glue but i dnt think it worked nd i hav no more glue so please help me!!!!!!!!!!!!!!!!!!! @[email protected]"
  38. A and M
    Thursday, April 5th, 2012
    I played with it for hours, I would not put it down i loved playing with slimey goopy stuff and you will too!!!
    • Cindy
      Wednesday, March 29th, 2017
      Yay A and M, so happy you loved this slime recipe and had hours of fun! Thanks so much for reading my blog!
  39. Sunday, February 26th, 2012
    its great thank you
  40. Sarah
    Monday, April 18th, 2011
    This one didn't work for me either - it was really lumpy... any ideas on what we did wrong?
    • Cindy
      Wednesday, March 29th, 2017
      Sarah if it was lumpy I am thinking you didn't quite mix it long enough.
  41. Saturday, July 17th, 2010
    This mixture didn't work for me at all. I almost doubled the amount of glue and it still was just liquid. I live in the mountains with high humidity and wonder if that could affect the result. I'm not giving up though and will try a few more mixtures.
  42. Wednesday, June 9th, 2010
    Anyone know how to make your own liquid starch?
  43. Thursday, June 3rd, 2010
    AWE-SOME! My 8 year old son will LOVE this!!!!
  44. Lisa
    Sunday, April 25th, 2010
    CORRECTION to previous comment-- I figured it out! After combining the mixture for about 15 minutes (OK so my little one did this) I walked away to check and see if I had left out a step and to my surprise when we got back it was slime!!! YEAH!!!
    • Cindy
      Wednesday, March 29th, 2017
      Thanks so much Lisa for letting us know to keep mixing the slime!
  45. Leigh
    Friday, April 9th, 2010
    I'm curious, there are only posts of people who have not tried the recipe yet, but are super excited to try it. I need a review of someone who has tried it and loved it as well...I'm going to try it tomorrow, but I have two different recipes...one that uses the starch, and one that uses borax. Do you know which turns out better? or the difference?
  46. Maria lrms '14
    Thursday, March 25th, 2010
    this is what we are going to make in class on monday. cant wait (:
  47. Trina
    Tuesday, January 19th, 2010
    Does it matter the kind of glue that you use? Elmer's or Rose Art?
  48. Sunday, January 3rd, 2010
    I totally used to make this when I was young! SO fun. I never would have remembered how to make this. thanks! There are a ton of other fun things on your blog, can't wait to get started!
  49. Elaine White
    Saturday, November 21st, 2009
    We made slime today for my son's 5th birthday.It was themed "Ben 10", so we called it Alien slime and put a big goggle eye in it and let them put it in green plastic easter eggs to keep. I found that it had alot of left over liquid. I was afraid we had done it wrong, but it was all good once we drained the fluid away. the kids loved this activity we dyed it neon green.
  50. nancy
    Tuesday, October 13th, 2009
    I want to make this for a Halloween party as a give away and wanted to know how long the GAK would keep in a sandwich bag if I make it in advance???
  51. Tanya
    Thursday, August 13th, 2009
    I made this yesterday and I swear my kids played w/it for HOURS!! I was one happy mom. :)
  52. Thursday, August 6th, 2009
    Great post Cindy! The moose M.D. just gave it a feature at the baby blog.
    Thanks again for another fun project!
  53. Saturday, August 1st, 2009
    Hey! I found you guys through the SITS network. I'm not a mommy (yet) but I'm the proud aunt and cousins to children I love as my own. We'll be making this Monday!!
  54. Thursday, July 30th, 2009
    Awesome! I remember Gak-I loved that stuff! I'll have to try (and link) this!
  55. Monday, July 27th, 2009
    I have been searching for this recipe for years! I made it 15 years ago when I was in Advance Child Development and the recipe got lost after school was out. I kept looking for it and never found it. Thanks so much for posting!
  56. Julie E.
    Friday, July 24th, 2009
    I couldn't find any liquid starch today except in a spray bottle (one store had non-aerosol). Does that work? If not, where do you usually find it?
    • Friday, July 24th, 2009
      I bought the liquid starch at Wal-Mart and I have also found it at Dillons (King Sooper). It is with the laundry supplies.
  57. Friday, July 24th, 2009
    We LOVE this stuff! My hubby will spend hours squishing this stuff while he watches TV. The first time we made it, my 2 yr old played with it all afternoon and it was the longest she had ever played with anything other than her dolls!
  58. Friday, July 24th, 2009
    Ewww!! My son isn't old enough for this yet, but I might make some for myself. :)
  59. Friday, July 24th, 2009
    this looks so fun! you always have great ideas on your blog
  60. Friday, July 24th, 2009
    Thanks for sharing - my kiddos will love this!!!
  61. Friday, July 24th, 2009
    I have a recipe on my site for clean slime, it's VERY similar but uses cornstarch just like oobleck. I love giving this stuff as gifts....I think it makes other moms mad, the ones that don't like there kids playing with cool stuff. You know what i"m talking about!
  62. Friday, July 24th, 2009
    You read my mind, I have been looking for a reliable gak recipe all week and wasn't sure the ones I found would work. Thanks! And this is the first time I have posted on your blog so I also want to tell you I really appreciate all the other ideas you share.
  63. CatieLee
    Friday, July 24th, 2009
    if "There was a bit of liquid that would not mix in." what did you do with it?
    • Friday, July 24th, 2009
      Just throw any extra liquid away.
    • Cindy
      Wednesday, March 29th, 2017
      CatieLee extra liquid is okay, just remove the blob from the liquid and play!
  64. Julie E.
    Friday, July 24th, 2009
    I have four boys ages 3, 5, 9 & 11... I can't believe I haven't made this yet! I'm off to the store to buy the starch. Thanks for the idea!