I hope it is O K to link to this for us to laugh about. I'm not selling it. Seems I could not only buy compost in a box & brewing bag.
but I could spend $70 ish plus shipping for a brewer.
Looks swell. What fun. Lotsa bubbles.

http://www.amazon.com/gp/product/B007ZU6GCO/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B007ZU6GCO&linkCode=as2

Here is a link that might be useful: flow n brew