> The easy way out is to buy both a toy car with sound and a toy train
> with sound, and swap the modules (Maybe put the train with car sounds
> into a toy donation box...?  ;-D ).

Or put the 4-year-old on eBay.......

Still, he could be on to something. They laughed at steam cars, they
laughed at rubber tyres on trains. He might have a future as a comedian.
Steven Wright can't go on forever. Perhaps he can. I don't think he's quite
sussed out death yet

"I was kneeling down at the casket and I was looking at him inside the
casket, and I started thinking about my flashlight. I started thinking about
the batteries inside my flashlight. And I said to my aunt 'Maybe he's not
dead. Maybe he's just in the wrong way'"

> What have you all been doing lately to generate sound?

Beans and cabbage do it for me. Love beans and cabbage

And finally, a sensible answer

A 'puff-puff' sound would be fairly simple, using white or pink noise
(and a filter and envelope generator). For more complex sounds an
ISD chip would probably be easiest, using downloaded sounds. I
remember going to a train enthusiast site years ago and there was a
whole library of train sounds

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