Large 2-inch and 1 1/2-inch dice are fun to roll, quiet and spongy to handle. Operations signs for add, subtract, multiply and divide are marked on the dice surfaces. Numbers dice are large regular dice with dots for the numbers 1- to 6. Roll with some regular dice and do the problem, for one or two players. A fun way to do math practice! Includes 2 operator dice and 4 numbers dice.