See web-only content:
http://www.theatlantic.com/technology/archive/2009/12/another-gift-possibility/31322/
More YouTube shots here. Okay, it didn't fly very long (maybe 30 seconds) or very high (a few feet above the runway surface) -- but it flew, with no external power of any sort! And 106 years ago, the Wright brothers' plane stayed aloft for only 12 seconds the first time. I will never get over the fact that there is an actual photo of that first flight, from the Smithsonian:
I'll promised to act surprised if I find any of these craft under the tree. (Thanks to Michael Ham for the idea.)
This article available online at:
http://www.theatlantic.com/technology/archive/2009/12/another-gift-possibility/31322/