Large 3.5' x 3.5' Dry-Erase Magnet, 2" Square Grid

Jumbo, Colossal, Oversized, Huge; call it whatever you want, this magnet is large enough for the whole class to see, yet easy to store when not in use. Features a 20 x 20 2” square grid. Great for teaching perimeter, area, decimals, 1st quadrant graphing, creating an origin point and much more. Ideal for class demonstrations and at-the-board work!