This Package Contains 2 Sets of 2" x 8" Styrofoam Profile Boards. This is Step-3 among the simplified and improved 5-step layout system for beginners and advanced modelers. It"s a Woodland Scenics Subterrain Lightweight Train Layout System for creating an outdoor environment. FEATURES: State-of-the-art model layout system: easy, fast, fun, lightweight, precise, no power tools needed, and non-toxic. Interlocking Profile Boards are joined with matching connectors to make a sturdy layout perimeter. Can easily be cut with the Hot Wire Cutter to conform to any profile desired. Stack two or more Profile Boards to create mountain profiles. Lightweight box packaging includes extremely detailed directions. INCLUDES: One Woodland Scenics Lightweight Layout System: 2 Pieces of 2" x 8" Styrofoam Profile Board. 2 Connectors REQUIRES: Foam Nails Low Temp Glue Foam Tack Glue Foam Pencil Hot Wire Foam Cutter or Foam Knife 320 Grit Sanding Block Plaster Cloth SPECS: 2" x 8" Profile Boards, Pieces: 4 COMMENTS: Subterrain manual and video are recommended for creating Subterrain Environments the Woodland Scenics way. sdw 1/25/01 ir/jl