Almost completely dust-free, hard blackboard chalk. Harder than our other Blackboard Chalks, some people prefer this for the writing portion of their chalkboard drawings. Because this chalk can leave a residue on certain blackboard surfaces, it is recommended you follow the instructions for chalkboard conditioning below.
Box of 12 pieces.
Size: Each measures 3.15 inches long
Ages 3 and up
Due to the nature of chalk, some pieces may arrive broken but are still considered useable.
Conditioning a New Chalkboard
A new chalkboard is porous and you will want to prime or condition it before use, otherwise your first drawing could be there permanently. To condition a new chalkboard, lay a piece of this white chalk on its side and cover the board generously, first from top to bottom until covered and then from left to right until covered. Using a soft, dry cloth rub the chalk in well and then erase. Repeat.