At Maggie's we tend to recommend Christmas gifts like activities and trips rather than material things that moth and rust do corrupt. Of course, if you have a kid that needs something like a computer or a hat, boots, and gloves, I suppose you have to do that but, in general, it seems that very few Americans need any more stuff.
A good stocking-stuffer: The Alltrails Pro app. It's half-price right now, $14 for a year's membership.