Write on the blackboard without chalk dust or chalk fingers. This is possible with this almost completely dust-free, hard blackboard chalk that comes in single packs of white or yellow or an assortment of 12 pieces in 8 colours. This chalk can leave a residue on certain blackboard surfaces.

Cardboard box, 12 pieces, white, diameter approx. 9,5 mm, length: approx. 80 mm.