The Power of Two Cube, like the Binomial Cube, is a great physical material to use with children ages 3-6 as a tool to practice ordering and identifying patterns. When working with students in the 9-12 environment, the material can be brought back out and used as a concrete model for exponentiation. The cube represents the mathematical expression 2n (for this particular cube, n is an integer from 1 to 6). When presenting this work, if you do not have a physical set of the materials, the cards in