The biggest power against AI is an old set of encyclopedias.
Buy some for your family while they are still legal.
And a print edition of the unabridged Oxford English Dictionary, and a Webster’s 2nd Edition Unabridged
I have heard warnings, too, that one should make sure to get or have an old fashioned book Bible.
Not necessarily King James, but to not depend on the internet or online Bibles as they could be too easily subtly changed with someone being none the wiser.
For that reason, I also like CD’s and DVD’s for music and movies to watch. No edited, remastered (corrupted or censored) versions for me.