I was searching for instructions on the Mr Beer site and came accross this pageWelcome to MR.BEER® - Hard Cider Kits
Now here is a way to get your friends involved (hooked ) with a starter kit.
Check out the link to refill kits on their site.
Primary: Air waiting
Secondary: Air waiting
What ever is in the basement
Lots of guys here use their Mr. Beer to make small batches of Apfelwein.
I don't think I'd buy a cider kit....It's just not worth it.