Students can practice two different mathematical functions with this fun cube! There are two dice inside the 7 inch transparent cube with addition and subtraction functions printed on the surface of the cube. Complete the equation created by the upward facing function and the two dice. Shipped directly from the manufacturer.--rush shipping not available. Gift wrap not available. Information on how to place your order by fax or by telephone. Place your order online, fax or by giving us a call! Product Numbers: AMSR1450 (2-Function Math), AMSR1451 (3_Function Math), AMSR1452 (2-Function Fraction). Grades 1 - 8