Kit #6677 - 20th Anniversary issue. 1/1600 scale. Snap kit. AMT/Ertl released this kit in 1986 to commemorate 20th anniversary of the original television series. Included in the set are the ships seen on the original television series: U.S.S. Enterprise, Klingon Battle Cruiser and Romulan Bird of Prey. Enterprise is 7-1/8" in length, Klingon Battle Cruiser is 5-3/4" and Romulan Bird of Prey measures 3".