How to Make Gunge

Written by amy kingston
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Gunge, or slime, is a slippery fluid often used in practical jokes called sliming or gunging. Gunge is poured over the victim's head or they are dunked into a tank containing gunge. A gunge tank, similar to a dunking tank in which a victim is submerged in water, can be used at fundraisers and charitable events. Homemade gunge is made out of simple materials and can be any colour desired. A non-toxic version is best for children.

Skill level:

Things you need

  • 1 1/4 cup water
  • 1 tbsp borax
  • 3 glass bowls
  • Wooden spoon
  • 1/4 cup white glue
  • Food colouring or poster paint
  • 1 cup custard
  • Gummy worms, chocolate chips or mini marshmallows (optional)

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    Gunge for Adults

  1. 1

    Mix 1 cup of water and 1 tbsp of borax in a glass bowl. Stir with a wooden spoon until the borax is completely dissolved.

  2. 2

    Pour 1/4 cup of water and 1/4 cup of white glue into a second glass bowl and stir with a wooden spoon.

  3. 3

    Pour 1/2 cup of the borax solution into the glue mixture. Add several drops of food colouring to the mixture. Substitute poster paint to make non-staining gunge.

  4. 4

    Stir the mixture until it becomes stiff.

    Non-toxic Gunge for Kids

  1. 1

    Put 1 cup of ready-made custard in a glass bowl.

  2. 2

    Add two to three drops of food colouring and mix with a wooden spoon.

  3. 3

    Add gummy worms, chocolate chips or mini marshmallows, if desired. This gunge is edible.

Tips and warnings

  • Store gunge in a zipper-type plastic bag in the refrigerator.
  • Double or triple the ingredients to make larger quantities of gunge.

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