Just when it looks like the Rubik's Impossible puzzle is solved look again! The iridescent tiles change color when viewed from different angles making this puzzle super challenging. The Rubik's Impossible is a 3 x 3 Rubik's puzzle cube with a very high challenge level. It changes colors depending on the angle. Mastered one? Not done! It has 2 different solutions. Do you remember playing with the Rubik's Cube as a kid? Take up the biggest challenge yet with this lenticular puzzle. Two solutions, twice the challenge.