This is the out of production and very hard to find AMT Star Trek 1:2500 scale Cadet Series U.S.S. Enterprise Set plastic model kit. This set features the original U.S.S. Enterprise3 NCC-1701, the U.S.S. Enterprise NCC-1701 Refit and the U.S.S. Enterprise NCC-1701-B. The completed models range from 4.5-inches (11cm) to 7.25-inches (18cm) in length and are Skill Level 2. New in a manufacturer sealed box.