Supplier for rubber

Hi All! Does anyone know of a supplier for rubber, stone, lucite or
wood for pendants or rings? A couple of mediums I could carve
myself but not all. I have a project I want to do but need
resources! I also asked a question about PMC last month and no one
seemed to answer so I will try again- Where can I get a Kiln
suitable for PMC and enamel for under 200.00? Thank you denise