Amazon: Crayola Colored Chalkboard Chalk 12ct. $2.76 Shipped! July 18, 2013 by Cathy Zeiler Leave a Comment Great summer fun! Get a 12 count box of Crayola Colored Chalkboard Chalk for only $2.76 + FREE Shipping (regular $4.74). Click Here. (Note- Amazon prices are subject to change unexpectedly. Check the price before you click to buy). For more online deals visit our Online Sizzlin Hot Deal Alerts forum!