Try
contacting the store at: store@exploratorium.edu or 1-415-561-0393
or fax 1-415-561-0370 or The Exploratorium Store
3601 Lyon St.
San Francisco, CA 94123
Nina Thayer
Snacktalk Moderator
>
> Hello,
>
> I am interested in ordering a Benham's Disk toy top for my science fair
> project on optical illusions and Benham's Disk.
> Your web page http://www.exploratorium.edu/snacks/benhams_disk.html states
> that the exploratorium strore has a selection of these tops, but I was unable
> to find them on the Store web pages. Any help you could forward would be
> great.
>
> thank you,
> Grant Jasmin
> c/o eajasmin@aol.com
>
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