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Tuesday, March 13, 2012

Archimedes

This Archimedes Marble Roller-coaster was built in 1990. Its a ball rolling on coaster. It is made out of balsa wood with exception. It uses gravity to propel the ride. 
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1 comment:

  1. Esrah TApril 3, 2012 at 10:23 AM

    Hey Jojo!
    What a cool roller-coaster you have presented on your blog. I wonder how long it took to make that piece of at work.

    Keep up the good work.

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