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  Money - making ray gun

  Los Angeles,
  United States

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  Máquina para fazer brinquedos

  Gaeiras
  Portugal

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  Water Suck Up and Shower Elephant Machine

  Agadez
  Niger

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  The Machine To Create Clean Water in Space

  Köln
  Germany

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  A machine to go underwater as a shark

  Firenze
  Italy

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