Meetfabric.com has a free wizard for you and your wife to create a will. It produces a text file which you can print using Google Documents. The questions asked by the online wizard are simple and it even comes with a format for witnesses and a notary to sign.
For a more complex Will or for a Trust I recommend https://www.nolo.com/legal-encyclopedia/colorado-make-will-32143.html You can get through the library or even download it from Amazon.