nk3t has got it just about right . The Saito is the prize of the bunch , and would bring a couple of hundred . The plane and radio would be tough sales for the mentioned reasons of shipping the plane without damage and the radio being not 2.4 will hurt it's marketability also . The general going rate is only 40 to 50% of new cost for unused items and is even worse for any used items (which thankfully you havn't got) . Bottom line , if you get a $400 cash offer on the whole package , that will be about the best it's gonna bring . I have , myself , approx $20K worth of this stuff taking up an entire spare bedroom in my house that I'd consider myself lucky to get $7K for , which is why I've never tried to sell any of it .
Got any young relatives that are into mechanical things ? Could be the start of a nice hobby to get someone off of the couch and away from the Xbox for a while ...........