M1A2 Abrams Main Battle Tank Building Brick Kit (781 pcs)100% compatible with leading building brick brands! Approved for production in 1990, the M1A2 represents the U. S. Armys technological improvement of the basic M1A1 design and the most modern battle tank in the world. Outwardly similar in appearance to the M1A1, the most notable exterior changes on the M1A2 are the redesigned Commander's Weapon Station (CWS) and the addition of a Commander's Independent Thermal Viewer) on the left side of the turret