Ended: 7/21/2014 16:00 ET(18+)
12 winners (the first 12 to enter) will win a 3-D Printed jet engine. Enter for your chance to win.
NOTESVoid in Alaska and Hawaii.
Sweepstakes ends at 4:00 p.m. on July 21, 2014 or when 12 winners have been confirmed, whichever occurs first.
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