I would suggest you look here, click here. The law presumes that if you buy anything and it fails within the first six months, the fault existed when you bought it and tha it is for the trader to prove otherwise.
Was the trader a reputable supplier, if so, he will not want to risk his reputation, if not her probably couldn't care less.
Whilst the law will be on your side, you are only talking about £60. What you have to ask yourself is this, "Is it worth the hassle?"