sure, it would work.... but for only a couple plants at a time, and thats pretty pricey. you can construct something a lot better with a lot less money
from what i've read, they do not come close to living up their claims. and for the price, scias is right - with your experience, you could build something much better.
oh yea great...now were gonna have zoos for our plants, caged weed....I can feel them crying out already....please. please lets not subject our wonderful naturally free weed to the confines of such a contraption....hehehehehe....ok ok....so I got distracted....could work eh?