Half a croissant, on a plate, with a sign in front of it saying '50c'
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Playground Radio Phone.

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Quite simply, its a radio transceiver with a solar panel, or a hand crank, with a directional antenna.

Install this device on multiple playgrounds and direct it to communicate with each other.

Now you have a network of kids talking together on playgrounds.

If you are feeling adventurous, you can even add a radio FM station kit, so kids can run their own 'local' radio station.

mofosyne, Mar 05 2011

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       This could be useful as a time-measuring device for very short intervals - such as the interval between its installation, and it being stolen, smashed, or both.
8th of 7, Mar 05 2011
  
      
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