Crayola Chalk gives you solid, consistent color in a strong stick that resists breaking! Use it on chalkboards, construction paper, cardboard, craft paper, & brown paper bags. This classroom chalk creates less dust for crisp, clean doodles, notes, & drawings. It's a classroom essential for teachers, with the reliability you expect from Crayola art supplies. Stock up on chalk for classrooms, craft rooms, & art easels with blackboard chalk from Crayola. Color(s): Assorted; Number of Colors: 12; Age Recommendation: Ages 4 & Up; Length: 3.19".