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Perhaps injection-molded plastic would work if you're making a lot of
them. Having the molds made is the expensive part. Anyway the boats
could be made in 2 pieces- deck and hull. The visitor could snap the
magnets into the front and back of the hull, put some sand or other
ballast in the hull, snap the deck onto it, and float it. SMM made
some injection-molded canal boats for the National Canal Museum.
Steve Grotenhuis Tel.: 651-221-2564
Project Production Manager FAX: 651-221-2544
Science Museum of Minnesota email: [log in to unmask]
120 W. Kellogg Blvd.
St. Paul, MN 55102
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On Mar 10, 2006, at 12:21 PM, Richard Osborn wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology
> Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ***********************************************************************
> ******
>
> The sheet PVC that Jay Higgins referred to is a good material. You
> should
> consult your local plastic's company for the proper tools to work with
> PVC.
> You can glue sheets together and carve it like wood. The adhesive is
> more
> of a weld then a glue it is called VC-1 a liquid chemical version of
> PVC
> (poly vinyl chloride), it sets fast and is as strong as a weld. The
> adhesive also comes in a gel form called plex cement.
> Toxic glues, but the final products are worth while-
> The St.Louis Science Center has been using it for many things in the
> gallery including: graphic substrate, puzzle pieces, small case work,
> floating device on water, small pine wood derby like cars, boxes,and
> as a
> laminate.
>
> Richard Osborn
>
> Designer/Producer
> St.Louis Science Center
> (314) 533 8923
> mobile 660 2507
> [log in to unmask]
>
>
>
> Jay Higgins
> <higgins@CHILDREN
> MUSEUM.ORG>
> To
> Sent by: Informal [log in to unmask]
> Science Education
> cc
> Network
> <ISEN-ASTC-L@HOME
> Subject
> .EASE.LSOFT.COM> Re: toy boats
>
>
> 03/10/06 11:51 AM
>
>
> Please respond to
> higgins@childrenm
> useum.org
>
>
>
>
>
>
> ISEN-ASTC-L is a service of the Association of Science-Technology
> Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ***********************************************************************
> ******
>
>
> Hi Allisa,
>
> We've had some luck with Cintra, one brand name for extruded hard
> polyfoam. It comes in sheets of 3/8 thick so you could still embed
> magnets in it. Problem is not all thicknesses float by themselves and
> some brands might be different. We made a paddle boat kit to play with
> out of thin stuff 1/8 and had to stick layers together to get something
> to actually stay on top of the water. Really durable though, bright
> primary colors, maybe worth playing with.
>
> Jay
>
> --
> Jay Higgins
> Program/Exhibit Developer
> Providence Children's Museum
> 100 South Street
> Providence, RI 02903
> 401.273.5437 x137
> http://www.childrenmuseum.org
> Come play, come learn!
>
>
> Daniels, Alissa 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
>> Association of Science-Technology Centers may be found at
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>
> --
> Jay Higgins
> Program/Exhibit Developer
> Providence Children's Museum
> 100 South Street
> Providence, RI 02903
> 401.273.5437 x137
> http://www.childrenmuseum.org
> Come play, come learn!
>
> ***********************************************************************
> More information about the Informal Science Education Network and the
> Association of Science-Technology Centers may be found at
> http://www.astc.org.
> To remove your e-mail address from the ISEN-ASTC-L list, send the
> message SIGNOFF ISEN-ASTC-L in the BODY of a message to
> [log in to unmask]
>
> ***********************************************************************
> More information about the Informal Science Education Network and the
> Association of Science-Technology Centers may be found at
> http://www.astc.org.
> To remove your e-mail address from the ISEN-ASTC-L list, send the
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