Don't get me wrong here, it's a good trick, but was it worth the money I paid? Not even remotely.
The "gimmick" could be picked up for pennies at many shops. The method is good but it could've been
sold as a download with advice on how to source the materials needed.
It's a good trick, as
I've already said, but getting people to part with that amount of money for something that costs
next to nothing under other circumstances is an even better trick.