Rubik's phantom: the ghost rubik's cube is a 3x3 6-sided rubik's cube whose color is revealed with the heat of the hands thanks to thermochromic technology; to solve the anti-stress puzzle just touch the sides of the cube, in this way the colors will appear and it will be possible to complete it 3x3 rubik's cube: the phantom is a 3x3 rubik's cube, therefore the most classic and well-known of cubes, loved for decades all over the world; the only difference compared to a classic rubik's cube is the thermochromic technology; it is therefore entirely black, while the colors are activated by the heat of the touch anti-stress game: the 3x3 rubik's cube is the ideal anti-stress for those who need to relieve tension, relieve tiredness and recover from a hard day; in addition to being an excellent stress reliever, it is also the ideal travel game to never get bored during long waits puzzle for adults and children: the 3x3 ghost rubik's cube is an even more difficult version of the classic rubik's cube, and in addition to representing an excellent stress reliever it is also a particularly challenging adult puzzle and a puzzle for children aged 8 and over, for brilliant minds and alarm clocks discover the spin master offer: in addition to the 3x3 ghost rubik's cube, spin master offers a range of games and toys for children, including board games, board and strategy games, anti-stress, but also soft toys, fidget toys, cars rc, action figures, dolls and accessories