Many food-banks, and also some animal rescues, do this, or something similar, each year.  Our local food-bank is running a 'reverse Advent calendar' during November with the idea that you add one item each day, and drop off the box at the end of the month so that it can reach people in good time for Christmas.  The suggestions are just that - the full post also mentions hygiene products and festive treats.

Wherever you live, I am sure there's something similar you could support, if you are able.

Looking forward to starting filling my box!