Purchased overseas. New and unopened. Product Description: The Rubik's Cube Impossible, the most difficult Rubik's Cube in the series? The panel colors change depending on the viewing angle! Each of the 54 panels is made up of "panels that change color depending on the viewing angle" and "panels that do not change color." It's important to consider which color is correct when placing the "panels that change color depending on the viewing angle"! Even those who can solve the standard Rubik's Cube can enjoy this Rubik's Cube with a new sensation!