Loading... Please wait...Sluban® Leopard 2 Tank Building Kit (BO839). Recreate the Epic Leopard 2 Main Battle Tank. The Leopard 2 is a main battle tank developed by Krauss-Maffei in the 1970s for the West German Army. The tank first entered service in 1979. It is armed with a 120 mm smoothbore cannon, and is powered by a V-12 twin-turbo diesel engine. It is LEGO® Minifig Scale and compatible with LEGO® parts. New and sealed in original box and includes the following;