Looking for classroom activities that can also be educational? We have the answer! A string of large beads appropriately structured to easily locate the positive and negative. Total Cost numbers and to visualize operations on the number line. Accompanied by a special dice set for whole-class activities. It can be used to understand concepts like the following: Negative Numbers, Addition, subtraction, multiplication and division of integers, Understanding sign rules including ‘minus times minus’! Math will not be a problem anymore!