Upgrade your classroom supplies to make the day-to-day a little simpler! The dustless white chalk from School Smart is made from 85% calcium carbonate to make writing on your chalkboard a breeze. The chalk writes smooth visible lines without the mess and is easy to erase. Recommended for composition boards. Sold as a pack of 12 pieces of chalk.
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I gave it one star because it would not let me give it any less. $17.00 for a box of broken chalk, The longest pieces (3) were 2 inches long, the rest were 1 inch. DON"T BUY !!!
This chalk DOES NOT write on green chalkboards! I wish they would have specified that. Also, out of 12 sticks, maybe three were whole. Like I figured out myself: if you find something...anything worthwhile, no matter the cost, stock up on it because you'll never find it again when it's time for replacement. What a sad state it is for consumers nowadays! I'll take how it was in the 50s any day. You got what you paid for! This junk is going back!