Brand new USS Monitor and USS Merrimack Ironclad Warships "Battle of the Ironclads" (Challenging Difficulty) Steel Model Kit by Metal Earth. This brand new box model features a detailed exterior, includes 178 parts, and is a highly detailed, officially licensed product. The model has a difficulty level of Challenging and does not have any openings. The USS Monitor assembles to approximately L-5.8, W-1.4, H-1.2 inches, while the USS Merrimack assembles to approximately L-8.4, W-1.65, H-2.2 inches. No glue or paint is required, but tweezers or similar tools are recommended. The Battle of the Ironclads, also known as the Battle of Hampton Roads, was fought over a two-day period during the American Civil War and marked the first engagement between armor-plated warships, heralding the evolution from wooden to steel military vessels.