Amazon.com : Kores - K0R-M: Ballpoint Pens in Pastel Colours, 1 mm Medium Point Biro with Blue Semi-Gel Ink for Smooth Writing, Triangular Ergonomic Shape, School and Office Supplies, Set of 50 :
kores.com: Kores Mathmagic Graphite Pencil with eraser
KORES Grafitos, trojhranná tužka s gumou, tvrdost HB
Amazon.com: Kores - K1: Coloured Ballpoint Pens, 1 mm Medium Point Biro with Smudge-Proof Ink for Smooth Writing, Triangular Ergonomic Shape, School and Office Supplies, Pack of 10 in Assorted Colours :