Good luck. For my typical (high school) student, 6 hours would not amount to much. I'm happy when I can get that stuff across in 20 weeks * 5 days /week * 45 minutes /day

It would be cool if you could come up with a small project the students could manage.

Of course, variables, assignments, loops, methods and properties without explaining objects (whatever they are).

How to recycle and modify existing scripts is probably a more realistic goal than writing anything serious. Modifying values inside a script could be informative and lead to an understanding of what those things are.

Time flies like an arrow, fruit flies like banannas