Giotto Robercolor Chalks Assortd col. Box 100-pack

Ideal for blackboards, these round chalk sticks are based on calcium carbonate, and come in boxes of 100 assorted colours.(white, yellow, orange, red, blue and green) Robercolor sticks are made from real chalk from France and are dermatologically tested and dust-free. They glide smoothly across the board without scratching, leaving a clean, sharp line.