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How to make speakers with a cardboard tube

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These phone speakers are really simple and cheap to make, and they really work! Put your phone or MP3 player in the slot and hear the difference. Thanks to Megan from Wolverhampton for sending in this brilliant idea!

You will need
  • Two paper cups
  • A cardboard tube (e.g from kitchen roll)
  • Pencil
  • Scissors
  • Paint or something to decorate with
mobile phone in a kitchen roll tube speaker, decorated in pink

Cerys, aged 10, made her phone speaker out of a cardboard tube with plastic cups and made it pink and shiny!

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