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This Week's Challenge:  K'nex Projects!
(absolutely no guns or rubber bands permitted in this Challenge) - click here for the K'nex Guns Challenge.

There were not enough entries this time to announce a winner. However, each entrant will receive a 3-month pro Membership just for entering.
Get ready to take off, the next Weekly Play Challenge is Paper Airplanes!

All entries must be published and posted in the comments below posted by 11:59pm September 25, 2011 PST