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.
... There are 5,574 housing units at an average density of 365.4/km² (946.1/mi²). The racial makeup of the town is 95.45% White, 0.84% African American, ...