If you are interested in testing a prototype tutorial for me, for Blawx, check out
dev.blawx.com. create an account, click new project, wills tutorial, open the project, click code editor, and click Tutorial. My 11-year-old did it in 30 minutes. All feedback appreciated. It is user-friendly legal knowledge representation in goal-directed constraint answer set programming. But that sounds scary, the vibe is more like "Scratch for Laws."