If there are any yarns in there that are a color you like, but don't like the way it feels, could you perhaps wash it on a gentle cycle in a pillow case to see if it softens up? I've heard that Red Heart yarn can be softened in the wash.
Do you have a local senior center in your area? We have a recreation facility for the senior adults in our area and they have daily arts and crafts time. Perhaps you could find out if you have one in your area that is looking for donations.