From left to right (countries and their names):
Belarus- Alena Sokolova
Czech Republic-Iveta Cerna
Hungary-Maida Valko
Ukraine- Olena Karpenko
Poland- Albinka Debski
Markers and Pens
-Sailor Shikiori Dual Tip Brush Pens
-Micron Pens
-Copic Markers
-Posca Markers
-Staedtler Double Ended Permanent Pens
-Faber Castell Pitt Artist Pens
-Gelly Roll Pens
-Uni Ball Signo Pens
-Marvy Artist Double Sided Permanent Pens
-Mark’s Tous Le Jours Ballpoint Pen
etc…
Colored Pencils
-Caran d’ache luminance
-Holbein Artist colored pencils
-Tombow Irojiten
-Derwent Lightfast
-Faber Castell Polychromos
-Caran d’ache Pablo
Etc…
Additionally I used Supracolor watercolor pencils, Staedtler Mars Lumograph EE Pencil, and various types of Zebra Pens.