World's easiest silicone mold. Make a mold, then a replica, of practically anything. Will have to try this for all those little things: figures, small parts etc. The site has great details and easy to find items to start casting
The way that this chair folds and has a handle makes it look like it is very easy to move out of the way without taking up almost any space. However it would by quite difficult to do the same thing with a stool and it doesn't looks like it is very stable.