ISEN-ASTC-L is a service of the Association of Science-Technology Centers
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What About Building foam blocks they float its, cheep and easy to hot 
glue magnets on comes in many thickneses and you could coat it to 
prevent chipping



At 10:03 AM 3/10/2006, you wrote:
>ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>Incorporated, a worldwide network of science museums and related institutions.
>*****************************************************************************
>
>As part of our water exhibit, we used to have pieces for kids to 
>make their own barges. We used wooden blocks, varnished many times, 
>with magnets on the ends. However, this was an incredibly 
>time-consuming and very expensive process, and the boats would wind 
>up mildewy and gross anyway. So we haven't had them in a while, but 
>we miss them.
>
>Does anyone have suggestion for something we can either purchase or 
>make in-house? The exhibit is not staffed so it would need to be 
>fairly intuitive and not involve potentially chokable or otherwise 
>dangerous bits.
>
>many thanks
>AD
>~~~~~~~~~~~~~~~~~~~~~~~~~~
>Alissa Daniels, Science Program Manager
>Boston Children's Museum
>617-426-6500 x342
>www.BostonChildrensMuseum.org
>The most exciting phrase to hear in science, the one that heralds 
>new discoveries, is not "Eureka!" (I found it!) but "That's 
>funny..."   --Isaac Asimov
>~~~~~~~~~~~~~~~~~~~~~~~~~~
>
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More information about the Informal Science Education Network and the
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