Josh and Josh review this great little scratch built plane. The FT Flyer is based off of the classic Blu Dart. Our version of this model was built for about $38 in parts, including the battery.
Plans for the original Blu Dart: http://www.rcgroups.com/forums/showthread.php?t=599674&highlight=bludart&page=4
The plans for this build are available here:
FT Flyer Swappable FULL SIZE PLANS