Give away a box or two of them. It'll help whittle them down fast.
Personally, I use them up. In 2012 and 2013 I finished up several using 1.5" strips that looked like this:
[ATTACH=CONFIG]454266[/ATTACH]
[ATTACH=CONFIG]454267[/ATTACH]
[ATTACH=CONFIG]454271[/ATTACH]
and this one in 2013:
[ATTACH=CONFIG]454272[/ATTACH]
They are donation quilts.