Dry erase boards make fantastic tools and can be used both at home or in the classroom. Boards are 9 inches by 12 inches and feature a centimeter grid (no x-y axis grid) on one side with the reverse side being blank. Dry erase markers will work on either side. This classroom set contains 30 dry erase boards, 30 erasers, 30 markers, 3 pouches and a storage container. For over 50 years, hand2mind has encouraged hands-on learning and discovery, driving deeper understanding and helping children unlock their full potential. Hand2mind specializes in math manipulatives designed to help students learn by doing. From early math to middle school math, hand2mind has you covered with products designed to enhance learning in the classroom and the world around us. Through hands-on exploration and discovery we strive to find new ways to encourage students in math practice, literacy activities, STEM education and more!