This is an injection-plastic aircraft model kit.
From the manufacturer description:
The Mikoyan-Gurevich MiG-21 Fishbed is a supersonic jet fighter aircraft, designed by the Mikoyan-Gurevich Design Bureau in the Soviet Union. Some 50 countries over four continents have flown the MiG-21, and it still serves many nations a half-century after its maiden flight. The fighter made aviation records. At least by name, it is the most-produced supersonic jet aircraft in aviation history and the most-produced combat aircraft since the Korean War, and it has the longest production run of a combat aircraft.
Parts come molded in gray. Includes photo-etched parts and decals.