The postage seems very steep and they are bipolar, but I suppose you spotted that?
I bought one of these for a tenner this week:-
[
www.motioncontrolproducts.co.uk]
To replace a bipolar one I had. They are lovely motors, very solid and strong as they use a rare earth magnet. Unfortunately, I didnt realise it was biploar until too late so Ill have to set up a H bridge as a driver :-(
Phil