Faber-Castell 6 Bi-Colour Pencils (12 Shades) 11 81 06
Faber-Castell 18 Bi-Colour Pencils (36 Shades) 11 81 18
Faber-Castell 9 Bi-Colour Pencils (18 Shades) 11 81 09
Faber-Castell 12 Bi-Colour Pencils (24 Shades) 11 81 12
