The Big Nickel is a nine-metre replica of a 1951 Canadian nickel, located at the grounds of the Dynamic Earth science museum in Greater Sudbury, Ontario, Canada, and is the world's largest depiction of a coin. The twelve-sided nickel is located on a small hill overlooking the intersection of Municipal Road 55 and Big Nickel Drive at the westernmost end of th…The Big Nickel is a nine-metre replica of a 1951 Canadian nickel, located at the grounds of the Dynamic Earth science museum in Greater Sudbury, Ontario, Canada, and is the world's largest depiction of a coin. The twelve-sided nickel is located on a small hill overlooking the intersection of Municipal Road 55 and Big Nickel Drive at the westernmost end of the Gatchell neighbourhood.