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. On December 17th 1903 Orville Wright piloted the first powered airplane 20 feet above a wind-swept beach in North Carolina. The flight lasted 12 seconds and covered 120 feet. The model is 3.9x2x0.8 inches when built. Difficulty level: Moderate. No glue or solder needed.