If you wish to read more about the X-Man Shadow 6×6, go here: X-Man Shadow 6×6.
X-Man Shadow 6×6 M
The X-Man Shadow 6×6 M is the magnetic version of the X-Man Shadow 6×6. This means that there are small magnets on the inside of the pieces that pulls the cube into its correct position, giving it more stability and makes it easier to handle. The cube is magnetized at manufacturing and is created with magnets in mind. Small pockets are made for the magnets for them to stably sit in the correct position.