These look to all be 40 size planes. Not a bad mix at all. The yellow one without engine is a Sig 4 star 40, a great second or third plane for the new guy. The orange one is a trainer of sorts. My guess is that it, then the 4* were #1 and #2 and the your first phots were #3 and #4 using the engines from #1 and #2. The Hots kit should gather a lot of attention. The starter and field box is good usable equipment. For a new guy into the hobby, this would be a great haul. You shouldn't have much trouble selling any of it. I am not familir with the radios, but they are at least a two or three levels back from the current ones. They won't fetch much as everyone wants 2.4ghz stuff now, but they are most likely still quite servicable and usable.

The trainer looks as if it has had a few rough landings, but isn't in that bad of shape based on the photos. The other planes look to be in OK to good condition. The one needs the cowl recut for the engine, it isn't going to cool well the way it is, but that is a minor issue. Good luck with them. They are a desirable set of planes. You shouldn't have much trouble selling any of them.

Don