How to Make Slime and Oobleck (Two Recipes Inside!)

3 min read
How to Make Slime and Oobleck (Two Recipes Inside!)

The kids are on school holidays and the weather can be a little unpredictable at this time of year.

Making this simple slime recipe is a fun activity for kids indoors or outside, so give it a go today!

We have two different kinds of recipes for two very different kinds of slime — both you can play with! It’s a very, very cool excuse for a science experiment. Also, both will give your kids (and you!) a fun sensory experience they can learn from.

How to Make Slime (without Borax)

How to Make Slime and Oobleck

First, we’ll teach you how to make gooey, sticky slime, the kind which stretches and oozes. Many recipes use borax, which is also okay, but we want a recipe that’s a bit safer, so we’re not using borax this time.


  • One small bottle of white school glue

  • 1/2 tablespoon bicarbonate of soda

  • 1 tablespoon contact lens solution (and another 1/4 tablespoon if needed)

  • Food colouring (optional but encouraged!)


  1. Pour glue into a mixing bowl.
  2. Add 1/2 tablespoon of bicarbonate of soda and mix.
  3. Add a few drops of your choice of food colouring. Begin by adding just one drop and continue adding until you reach your desired colour.
  4. Add 1 tablespoon of contact lens solution. Mix!
  5. Once the slime begins the form, take it out and knead it with your hands.
  6. If it’s still too sticky for your liking, add another 1/4 tablespoon of contact lens solution.

Slime GIF | Stay at Home

How to Make Oobleck

How to Make Slime and Oobleck | Stay At Home Mum
Via youtube

Next, we’ll show you how to make oobleck. It’s different from the regular kind of slime because it’s a substance with curious properties. It’s a non-Newtonian fluid (science, people!), which means it’s a liquid when it’s left alone and becomes solid when pressure is applied (hitting, rolling, punching!).


  • 2 cups cornflour

  • Food colouring

  • A small mixing bowl

  • 1.5 cups of water


  1. Pour cornflour into a mixing bowl. Stir in small amounts of water until the cornflour has become a very thick paste (about 1.5 cups).
  2. To make the slime the colour of your choice, thoroughly stir about five drops of food colouring into the mixture.
  3. Stir your slime REALLY slowly. This shouldn’t be hard to do.
  4. Stir your slime REALLY fast.
  5. This should be almost impossible.
  6. Now punch your slime REALLY hard and fast. It should feel like you’re punching a solid.
  7. You can keep your cornflour and water mixture covered in a fridge for several days.
  8. If the cornflour settles, you need to stir it to make it work well again.
How to Make Oobleck | Stay At Home Mum
How to Make Oobleck | Stay At Home Mum

And that’s it! Have fun with your new slime!

How to Make Slime and Oobleck Two Recipes Inside 1 | Stay at Home

For more aweSAHM kids activities – Click here!


About Author

Jody Allen

Jody is the founder and essence of Stay at Home Mum. An insatiable appetite for reading from a very young age had Jody harbouring dreams of being a pu...Read Moreblished author since primary school. That deep-seeded need to write found its way to the public eye in 2011 with the launch of SAHM. Fast forward 4 years and a few thousand articles Jody has fulfilled her dream of being published in print. With the 2014 launch of Once a Month Cooking and 2015's Live Well on Less, thanks to Penguin Random House, Jody shows no signs of slowing down. The master of true native content, Jody lives and experiences first hand every word of advertorial she pens. Mum to two magnificent boys and wife to her beloved Brendan; Jody's voice is a sure fire winner when you need to talk to Mums. Read Less

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