Я посмотрел что использовалось для этого. Вот список:
Faber Castell Polychromos
Jaxell Pastell Crayons
Deleter NeoPiko Multiliner
Rohrer & Klingner Drawing Ink (Burnt Sienna)
Dr PH Martins Opaque White
Holbein Artists' Water Colors
Dr PH Martins Concentrated Watercolors
Canson Mi-teintes Watercolor Paper
Faber Castell Polychromos
Jaxell Pastell Crayons
Deleter NeoPiko Multiliner
Rohrer & Klingner Drawing Ink (Burnt Sienna)
Dr PH Martins Opaque White
Holbein Artists' Water Colors
Dr PH Martins Concentrated Watercolors
Canson Mi-teintes Watercolor Paper