On Jun 11, 2007, at 10:03 AM, Steve Smith wrote:

> Crystal set its where I started at about the same age...

Beg to differ; failure to EVER get any of the radio-like
projects working forever turned me off of radio.  I suppose
the (substantial) antenna requirements just weren't practical
in the environment I was living in...

For a local elementary school (6&7 y olds) "science fair" (not
kid projects; guided demos and experimentation), I mounted a
bunch of battery holders, lamps, motors, buzzers, switches, and
so on to small wooden blocks with nails for connecting and let
the kids go wild with wires.  (sigh.  Even at that age there was
a subset that kept adding batteries till the lamps burnt out!)
It worked pretty well.

Second the recommendations for taking things apart, and for
"snap-circuits" or the radio-shack-style experiment set.

BillW
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