Tested this nifty bit of kit outside, damp but no rain and little wind, using 5 of the cubes it took about 5 mins to boil half-3/4 a mess tins worth of water.
Good value for money, but a word of warning the fuel 'caps' last literally minutes, they are about the size of a coke lid).
This product is good for a cup of tea or an egg or two but not a major meal or prolonged use, excellent back up if you take a fair ammount of fuel caps.
Has two open positions, one at full for saucepans, and the second at around 45 degrees for frying pans etc (i tested this on the full extension).
When shut it can hold 24 fuel caps which would keep it burning for around 25 mins worth of use.
Folds down in such a way that the caps can be stored within the cooker, or you could sacrifice some of the caps to include room for a small box of matches, upto you.
Very lightweight and takes up virtually no room, even if you dont use it for its primary use, it can be used for a stand for serving up food from your main cooker etc.
The caps might be a problem to light, but as a short cut take a chunk out of one and crumble this in a heap on one of the caps and light this.
Hope this was helpfull :).