This amazing 3D metal model kit starts as flat metal sheets with intricate details etched onto individual pieces. A set of easy to follow instructions are included and No glue or solder is required. Simply snip out the pieces and bend the tabs through corresponding connection points.The Mark IV was a British tank produced during the First World War. Deployed in 1917, the Mark IV featured two primary barrels, as well as 3-5 machine guns. The Mark IV made history on the Western Front, where it engaged its German counterpart in the first tank-to-tank battle.