Lots of fun. I have a Lucite paperweight with a little section of their original broadcasting tower.
http://antiqueradio.org/kdka01.htm
They sold these as a fundraiser during the 75th anniversary of the radio station.
I don't know if the paperweights are still available. This was over 10 years ago.
Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html