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How to Make Gunge

Updated February 21, 2017

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.

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  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. 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. 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. Stir the mixture until it becomes stiff.

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

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

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

  8. Tip

    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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Things You'll 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)

About the Author

Amy Kingston has been a professional writer since 2001. She has written articles for various publications, including "Health" magazine, "Jackson Parenting" magazine, the "Bolivar Bulletin" newspaper and "A Musician's Pursuit." Kingston was also published in "Voices of Bipolar Disorder."

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