Just sell 'em.
Put an ad up here, plus shipping and they will go someone that will teach their kids to shoot, or give one to a grandkid.
You have no investment, and everything is blue sky already.
There are more important things than money.
this or take them to a gun show , there is always a parts seller.
I know 1 guy that bought a collection of m0re that 30 guns and stripped them all.
norm