FOAM OPERATIONS DICE

Ten green dice have symbols for addition and subtraction. Five black dice have symbols for multiplication and division. Five red dice have symbols for addition, subtraction, multiplication, division, equals, and greater than. Foam is lightweight, soft, quiet, and washable. Square edges stop the dice from rolling too far. Comes in a resealable storage bag. Teaching tips are included. 3/4" cubes. 20 total pieces.