Polycubes are made from cubes that are glued face-to-face without overlap.
In polycube puzzles the player is usually presented with a set of such polycubes and he has the task to use then to assemble them to a certain shape.
Sometimes (especially when polycube puzzles are played on the computer) the cubes will be represented by other tokens.
... the town is $59,022, and the median income for a family is $63,642. Males have a median income of $42,403 versus $31,296 for females. The per capita income for the town is ...