I started going through drawers and the closet to get rid of things I no longer enjoy wearing... I'm making donation piles and «sell online» piles. (fashionschlub.com)
You can also create donation piles for local organizations to help your children learn about how their gently used items can help the community. (mindbodygreen.com)
When I actually set out to do it (with the help and supervision of a trusted friend), I shockingly ended up with a relatively small donation pile. (theeverygirl.com)