candidate: There are many examples in Scotland including : the McGlashen Stones the Inver Stone ( 121.6 kg ( 268 pounds )) the Dinnie Stones ( two stones weighing 333 kg ( 734 pounds ) : 187 kg ( 413 pounds ) and 146 kg ( 321 pounds )) the Menzies Stone ( 115 kg ( 253.5 pounds )) .