and they say smoking kills brain cells!.................:-D putting the outdated tin boxes to some use, a pc tower has perfect ventilating system for this. I think this could be used for any plant, say garlic for example. I am sure a lot of us miss the fresh green garlic leaves (if you live abroad and dont have a chinese grocery store close by), why not grow your own garlic, chilli, Basil, lemongrass, ginger or turmeric? by the way, did yoiu start your own operation Khaobadi?