It could be narrowed down some in a week or two once you can tell what type of comb they have. You can look at the breeds list. Search for breeds with the variety Buff that have clean, yellow shanks. Then cross that list against what Ideal sell and you know what the possibilities are. It could be a golden too, but I don't think that Ideal carries any breeds with that variety. Also it just occurred to me that they could be Sexlink cockerels too depending on what Ideal uses in those crosses.
However, I think that your attempts to find a place for them will be futile. If people wanted them Ideal would sell them instead of using them as packing peanuts.