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Exploding Volcano

Simply build the volcano structure, and it can be used to ‘explode’ as often as you like!


What you will need:

  • A small plastic bottle
  • cardboard
  • newspaper
  • wallpaper paste
  • poster paints
  • clear varnish
  • White Vinegar
  • Bicarbonate of Soda
  • red food colouring


  1. To make the volcano structure, glue the plastic bottle upright onto the flat cardboard base.
  2. Make the volcano shape by covering the bottle with scrunched up newspaper.
  3. Cover the scrunched up paper with layers of papier-mâché, made by dipping strips of newspaper into the wallpaper paste.
  4. Once all the scrunched up newspaper is covered, leave it to dry overnight.
  5. Once it’s dry, paint the volcano the desired colour using poster paints.
  6. Once the paint has dried, seal it using a clear varnish.
  7. When the volcano is finished, half fill the plastic bottle with White Vinegar and add a few drops of red food colouring.
  8. Add a teaspoon of Bicarbonate of Soda and stand back and watch the ‘explosion!’
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