Plastics Resources for Educators Program (PREP) develops educational and research materials for polymer, plastics and engineering college level classes, workshops and seminars to teach polymer and plastics processing involving molds, injection molding, extrusion, polymer materials, blow molding, blown film, rotational molding. The PREP site features graphics, animations, simulations or simulator to enhance educational resouces for plastics and polymer processes, mold development, plastics testing. The Plastics Resources for Educators Program is a funded by the National Science Foundation (NSF). Participating educational institutions are Penn College (The Pennsylvania College of Technology) and Penn State Universtiy.