This kit is in 1/700 scale. It includes 2x Airbus A330 MRTT Aerial Refueling Aircraft. They are connected as a single sprue by wires under the main body of the aircraft. Once the wires are cut the aircraft do not require any finishing. This Military version of the Boeing 737-700 has been altered for airborne refueling.
According to Wikipedia: "The Airbus A330 Multi Role Tanker Transport (MRTT) is an aerial refuelling tanker aircraft based on the civilian Airbus A330. The A330 MRTT has been ordered by the Royal Australian Air Force (RAAF), Royal Air Force (RAF), United Arab Emirates Air Force, Royal Saudi Air Force and Republic of Singapore Air Force. The EADS/Northrop Grumman KC-45 was a version of the A330 MRTT proposed for the United States Air Force."