not exactly a crystal radio kit, but I had one of these when I was kid. Looks just like the one from Radio Shack back in 79'
http://www.ramseyelectronics.com/cgi...action&key=AM2
Here's another possibility, see the first item
http://www.oselectronics.com/ose_p144.htm
I'm pretty sure you can make one with a coil of wire, germanium diode as the crystal and one of those little earphones. I think those are crystal headphones too. Your typical set of stereo head phones have too low of impedance to work.
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