It isn't so much the thickness of the coin as the weight of the coin needed to trip the mechanism. Loran On Nov 9, 2006, at 2:19 PM, Scott Colgrove wrote: > I hadn't noticed that an Indian-head penny was used - that is > pretty cool! It is possible that this machine only works with > older coins. > I know that my Hexaphone only works with the period nickels - they > are noticably thinner than new nickels. > > I would like to see more footage too - wonder if the producer will > post more if asked? Apparently the producer posted the video. > > Maybe a bunch of us could post (under "text comments") that we > would like to see more footage and see what happens.