World War One British Tank. The Mark IV was first used in mid 1917 at the Battle of Messines Ridge. Part of Corgi's WWI 1914 to 1918 Centenary Collection. Solid metal model, with pivoting guns. The tracks are fixed, but 4 small wheels are fitted on the underside to allow the model to move. Approx. 10cm x 4.5cm x 3cm (4" x 1.75" x 1.25"). Scale is close to 1:79.