Used Aircraft are now available directly from Air Creation.
On the AC 2nd Hand Webs...Wings generally available:
iXess 13
iXess 15
Fun 450
Kiss 13
Kiss 450
Trikes generally avail...
Good condition Training Bars or "D-Bars" for Air Creation iXess or BioniX (may fit other wings as well, I don't know).
$175 + shipping (or if I fly to your area, deliver is free)