The Metal Earth models are amazingly detailed etched models that are fun and satisfying to assemble. Each model starts out as 4 inch square metal sheets and you simply pop out the pieces using wire cutters and follow the included directions to assemble your model. The F35 Lighting II is a family of single-seat, single-engine, fifth generation multirole fighters that are designed to perform ground attack, reconnaissance and air defense missions with stealth capability. The F-35 has three main models; the F-35A employs conventional takeoff and landing, the F-35B will be used for short take-off and vertical-landings, and the F-35C will be carrier-based. The F-35 models are intended to provide the bulk of tactical airpower for the U.S. Air Force, Marine Corps and Navy over the coming decades. The model is 3.05x2.15x1.7 inches when built. No solder or glue needed. Difficulty level: Moderate. No glue or solder needed.