How To Make Slime: An Awesome Activity For Kids

How to make slime

If you’ve been into the toy section of any one of the big department stores recently, you’ll have noticed quite a lot of shelving real estate is now taken up with either premade ‘slime’ or slime-making kits, and after noticing, no doubt wondered how to make slime yourself. 

Who would have thought something that was a minor play item (certainly not trendy) when we were kids is now a bona fide moneymaker for the toy companies.

Beware of the slime-making ‘kits’, particularly the ones that include glitter. In my household, we now have tables, bathtubs, benchtops, clothing and other surfaces now seemingly permanently covered in little pieces of purple glitter. The stuff is a complete bastard to effectively remove. There’s that, and then there’s the cost of the kits.

How to make slime

Instead, make your own slime at home. That way you can: 1) control the mess; 2) control the cost; 3) control the amount. It’s also a good time-consuming activity to do with kids, both in the making and the playing with afterwards.

As a Google search will show, there are hundreds of different ways to make slime, and many various types (basic, fluffy, magnetic, silky). Here at AYTD we’ve road-tested a few of the simpler ones to bring you the best recipes.

How to make slime: Basic recipe


School glue (Elmer’s white school glue is the best); Borax; water; food colouring (if you want coloured slime)


To make a good handful of slime, pour 1 oz of the Elmer’s glue into a bowl. Stir in an ounce of water slowly but firmly. At this stage, add a few drops of food colouring of your desired colour and mix in, but don’t overdo it or it can make the mixture too runny.

Many recipes wiIl advise mixing you’re a couple of mls of Borax powder with a ¼ cup of water in a separate bowl, then adding it into the main mixture and stirring until your slime forms, but AYTD has also successfully just added a couple of teaspoons of undiluted Borax to the glue/water mixture to make slime, too.

Knead the resulting slime until it feels dry. Store in a ziplock bag in the fridge for a longer life.

How to make slime: Fluffy

For a more full, springy slime, follow the same process as above but at the mixing of glue and water stage, add a couple of big squirts of shaving foam (not gel, foam), Mix it until it looks like whipped cream.

AYTD then followed the same process as above, adding borax and food colouring, to make a successful fluffy slime. But there are lots of varieties of this recipe, including adding foaming hand soap, corn starch and hand lotion for extra stretchiness. Some people also add eye contact solution instead of borax.

Gillian Bower makes a pretty foolproof one here (if you can handle the cutesiness):

Floam Slime

Same process as above but add polysterene beads, prior to the Borax stage, to give the slime a unique texture.

How to make slime: Glow in the dark


Elmer’s glue gel or 4% polyvinyl alcohol solution; 4% (saturated) borax solution; Phosphorescent zinc sulfide (ZnS) or glowing paint.


Basically, you make glowing slime by adding zinc sulfide or glowing paint to normal slime.

You prepare two separate solutions, which are then mixed. You can double, triple, etc. the recipe if you want more slime. The ratio is 3 parts PVA or glue solution to 1 part borax solution, with a little glow-in-the-dark agent thrown in.

Make the glue gel or polyvinyl alcohol (PVA) solution by mixing one part of glue gel (either clear or pale blue) with three parts of warm water. Stir the glow agent into the glue gel or PVA solution. You want 1/8 teaspoon of zinc sulfide powder per 30ml (2 tablespoons) of solution. If you can’t find zinc sulfide powder, mix in well in some glow-in-the-dark paint (find it at art supplies stories).

Make the saturated Borax solution by mixing 4g of Borax with 100 ml warm water, until it dissolves. Mix together 30ml (2 tablespoons) of PVA or glue gel solution with 10ml (2 teaspoons) of borax solution.

Your resulting slime will glow after you shine a light on it and then turn it off. Make it for next Halloween.

If you enjoyed our how to make slime recipe, check out our guide on how to make playdough.

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