Easily create your own specialty die for all of your probability activities. These versatile dice are wonderful manipulatives to create your own fraction, operation and other specialty activities. Perfect for classroom use! Use with magnetics for even more versatility. Each die measures 2” square and features a metal dry erase surface on all six sides. New and improved surface eliminates ghosting (i.e. no residue is left behind when wiped). Set contains one each of red, yellow, green and blue small dice. NOTE: Dice may have a protective plastic coating on the white metal. If so, please remove before using.