Original audio by Gweneth Malmquist:
- cap-tap-plastic.mp3
- cap-tap-plastic-pitchup.mp3

Third-Party audio (edited by Gweneth Malmquist):

pour-water-into-glass.mp3
Water is Poured into a Glass by Mish7913 -- https://freesound.org/s/741348/ -- License: Creative Commons 0

eraser-01.mp3, eraser-02.mp3
Eraser-Notebook.wav by Paulabej -- https://freesound.org/s/650472/ -- License: Creative Commons 0