How to Make Slime and Oobleck (Two Recipes Inside!)Just like Boogers you can play with!

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 – 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.

Next page: A different kind of slime — how to make oobleck!

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