Ken wrote:
> 
> David Heys wrote:
> >
> > Ken <tyl### [at] pacbellnet> wrote in message
> > news:3915F3FA.BE0058D2@pacbell.net...
> > > I think one of the reasons the board games dice are rounded is so that
> > > they don't bounce around as much when hitting a hard surface. The casino
> > > dice are meant to be rolled on felt to that are cushioned to some degree.
> >
> > Hmm. Good supposition. Scrambling after dice that've bounced and jounced
> > onto the floor can be highly irritating. :{)
> 
> Since I am supposing anyway another reason might be that since a majoirty
> of board games are for kids they wanted to make sure that if the dice were
> swallowed the sharp edges wouldn't slice up their innards or get jammed in
> thier little throats : )

Nice thought, but I think it's only because its mainly for practical
manufacturing reasons.  It's a lot easier (hence cheaper) to pour molten
polyethylene or polypropylene in rounded molds and have it cool evenly
than it is to pressure-mold polycarbonate in highly accurate sharp-edged
molds.

[See Mom, I told you that my mechanical engineering degree would be
useful one day!!!]

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