7 November 2018 - Videoconference between the French and Romanian students. Research topics discussed:

• 5 Construction d'une géométrie de la couleur
• 6 "Don't cross the streams"

5 December 2018 - Videoconference between the French and the Romanian students. Research topics discussed:

• 2. L'équilibre
• 8. Des cadenas et des lettres

17 December 2018 - Videoconference between the French and the Romanian students. Research topics discussed:

• 4. Le squelette

16 January 2019 - Videoconference between the French and the Romanian students. Research topics to be discussed:

• 1. Terrier de marmottes
• 7. Démêlage de tresses

28 January 2019 - Videoconference between the French and the Romanian students. Research topic to be discussed:

• 1. Terrier de marmottes

27 February 2019 - Videoconference between the French and Romanian students. Research topics to be discussed:

• 4. Le squelette
• 8. Des cadenas et des lettres

11 March 2019 - Videoconference between the French and Romanian students. Research topic to be discussed:

• 1. Terrier de marmottes