if you can get it (in time), the rubber track that fits on the CPO
(cambridge physics outlet) equipment is designed for just this purpose
paul d
On Mon, 10 Sep 2001, Barbara Sandage wrote:
> I am a physics teacher who would like the kids build a simple roller
> coaster using a ball as the cart. Does anyone have any suggestions about
> what to use as a track? It would have to be flexible and cheap. I did see
> one idea about using cardboard and taping on sides, but I am looking for
> something different.
> Thanks
>
>
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