Zefyr had them for sale from her collection a
while back... I remember looking at them and
humming the theme song in my head.  =)  (Man
I loved that show as a kid...)

She still has one or two in her collection, but
I think she sold the rest:

http://www.geocities.com/tokyo/dojo/2924/jem.html

Peace!
Kim
aka Lady Zatara