Innovative dowel rod features four interchangeable sliding pointers that can be moved to indicate any point on the number line. Includes 15 write-on/wipe-off number line cards, three equation cards, two vinyl pockets and resource guide. Storage pocket has hook-and-loop tape closure to secure items. Pocket Chart Type: Number Line; Total Pockets: 3; Width: 27 in; Height: 22 in. Includes pocket chart, 15 write-on/wipe-off cards, three equation cards and resource guide.