Heat sensing technology adds a new layer of challenge to the 3x3 Cube. Touch the Cube tiles to temporarily reveal color. Solve the Phantom Cube, as the colors fade in and out through the heat of your touch. This smart Cube is unlike any toy you have ever played with before. This brain teaser puzzle is one of the hardest to solve of the Rubik's collection. Puzzle-loving adults and kids ages 8 and up will love this puzzle Cube. A combination of math, art, and science- the iconic Rubik's Cube challenges your mind and problem-solving skills.
