If I my memory serves me well, fabricating a Shadow Wall exhibit is
outlined in one of the Exploratorium Cookbooks, available through the
Exploratorium in San Francisco.  Or a call there might get a quick
recommendation of materials.

Max Cameron
[log in to unmask]

>----------
>From:  Children's Museum[SMTP:[log in to unmask]]
>Sent:  Monday, October 14, 1996 1:27 PM
>To:    [log in to unmask]
>Subject:       Shadow Wall
>
>Hi Everyone!
>
>We would like to create a Shadow Wall exhibit and need to know what the
>light sensitive material is and where to get it.  Other recommendations
>and
>suggests are welcome and appreciated.
>
>Thank You!
>
>Elaine A Rotenberry
>Program Director
>
>Children's Museum
>311 Main St
>Utica NY 13501
>
>(315) 724-6129
>