Just wanted to update, I found this stuff at Wal-Mart earlier and I think I might be able to pull this off after all. I'll find out tomorrow if it can be "molded" and if can be sanded and stuff, might be some interesting projects you could do with this stuff. Hardens like clear plastic. Just thought I'd share.

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"Arranging flowers for your home is one of life's great pleasures. From small arrangements for bed tables and windowsills, to large vases with wildflowers for your entryway, there's no limit to what you can create. Le Silk Shoppe Acrylic Water Kit is a two part clear hard-setting gel. Just mix, pour and arrange silk florals. Setting time 24 to 48 hours. Kit includes: 2-4 oz bottles"