For wiggle bugs you need 6mm foam. Here is where you can get sheets of it cheap, if you can't find it at your local craft store. [url=http://www.stainedglassoriginals.com/kidscraftsupplies_foamsheets2.html:e0c28]http://www.stainedglassoriginals.com/kidscraftsupplies_foamsheets2.html[/url:e0c28]

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Ron M