Make learning more fun with dry erase boards. Learning to write takes practice, practice, practice. Ruled dry erase boards make that happen while saving paper. Sized to sit on a desk or a lap, these boards will get your students on their way to mastering handwriting quickly! Boards measure 9" x 12". Each set includes 12 boards, 12 erasers, and 12 colored pens (3 of each color; red, blue, green, purple).