FSC is the leading catalyst and defining force for improved forest management and market transformation, shifting the global forest trend toward sustainable use, conservation, restoration, and respect for all. Each label provides information about the origin of the materials used to make the finished and labeled product. forest stewardship council (fsc) Trefl Prime, 9000 pc(s), Maps, 12 yr(s) Trefl Prime. Number of puzzle pieces: 9000 pc(s). Genre: Maps, Recommended age (min): 12 yr(s). Width: 1985.6 mm