This model is in 1/700 scale. The aircraft are armed with two 1000lb unguided bombs (One under each wing) and has an external fuel tank under the body of the aircraft. The 12x A-4C Skyhawk aircraft are connected as a single sprue by a wire under the body of the aircraft. Once the wires are cut the model does not require finishing.
According to Wikipedia: The A-4C is a..."Night/adverse weather version of A4D-2, with AN/APG-53A radar, autopilot, LABS low-altitude bombing system. Wright J65-W-20 engine with 8,200 lbf (36 kN) of takeoff thrust, 638 built. A-4D: Designation not used to avoid confusion with the pre-1962 designation A4D."