About not receiving the tail retract:

The main gear offered are Electron actuated mains produced by Airworld. As I've said, they are GORGEOUS. However, the tail retract is not part of the electron/main gear package. As you see here it is actuated by the servo of your choice.

The reason I didn't order it with the rest of the kit is because Airworld lists it as a "Retractable Tail SKID". I assumed the tail retract came with the mains and the "tail skid" was a retractable tail HOOK (which I didn't need for my build) - which would be a nice scale detail from the full scale aircraft. But no, they want to call the wheel a skid, I guess.

I contacted Airworld and got the retract ordered.