[ISTA-talk]Re: [CPS Science]ideas please

[Paul J Dolan]

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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