Built-in slider on these durable, easy-to-use, dry-erase boards provides a tactile element to sounding out and blending sounds. Boards are magnetic for use with magnetic wands and chips or letters, plus they provide plenty of space at the top for writing out a word or placing a flash card. Includes 8 Magnetic, Double-Sided, Dry-Erase Boards with built-in sliders and 1 Activity Guide. Special Shipping Information: Item ships separately from other items in your order. Item cannot ship to a P.O. Box, APO, 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.