i didn't know about this effect before i saw this thread here, but now i have to say it looks pretty good and i consider buying it. i have a question though:
you said the material needed is quite hard to get, meaning you can't just pick it up anywhere, but my question is is there an initial supply of all you need when you purchase the effect and you only need to buy some kind of refill or do you only get the instructions and you have to build the gimmick completely on your own?
anyway, i hope there's someone else here who already owns the effect, i'd like to hear another opinion