Recordings of a marker on a piece of paper.

List of sounds: 1 Marker Slow 1 – 0:01 2 Marker Slow 2 – 0:01 2 Marker Slow 3 – 0:01 2 Marker Slow 4 – 0:01 5 Marker Slow 5 (Multiple) – 0:04 6 Marker medium speed – 0:04 7 Marker Fast – 0:02 8 Marker Very Fast – 0:02