Make learning more fun with dry erase boards. Ideal for teaching and practicing fundamentals for use with magnetic manipulatives. Bright white board contains 5 sets of blue headline and broken mid-line plus red baseline format. Each line set measures 1 1/8" with 3/8" of blank descender space between sets. Back side is magnetic plain white dry erase. Boards feature a non-ghosting dry erase surface with rounded corners and smooth edges for comfort and safety. Backing is warp and chip resistant. Set of 12 boards with 12 erasers and 12 black markers.