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Chalk

The traditional alternative to writing on whiteboards: chalk for blackboards.
Chalk is made from Calcium Carbonate which occurs naturally in Limestone. The Limestone is quarried, crushed, ground to fine particles then mixed with water to form a slurry. This is then formed into long thin rolls or sticks, baked slowly in an oven, cooled, cut to size and boxed. Non-toxic and dustless.

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White Chalk - Box of white blackboard chalk
Box of White Chalk. For use on blackboards and creative play. Non-toxic and dustless. 100 pieces. ..
$6.49
Ex Tax: $5.90
Colour Chalk - Box of assorted colours
Box of Chalk for blackboards etc in assorted colours. Non-toxic and dustless. 100 pieces. Chalk i..
$9.99
Ex Tax: $9.08