Didax Blank Student Number Lines, 10 Per Pack, 3 Packs

These write-on, wipe-off cards are ideal to help students solve operations, ratio, and a variety of other problems. Features a single line on one side, and two number lines on reverse. Measures 4" x 20" each. Each pack includes 10 number lines. Sold as 3 packs for a total of 30 number lines. Special Shipping Information: Item ships separately from other items in your order. Item cannot ship to a P.O. Box, APO, FPO or PPO. Item is not eligible for expedited or international shipping. You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.