A combination of mathematics, art and science, the iconic Rubik’s Cube challenges your mind and problem-solving skills. We have made this classic 3x3 cube into a smaller size so that it can come with you wherever you go! Turn and twist the sides of the adult puzzle so that each of the six faces only has one colour. The classic Rubik’s Cube is incredibly addictive and has fascinated fans for decades. Try this travel version of our classic brain teaser puzzle.The keyring is small enough to fit on your keys or attach to your bag. Rubik's 3x3 Keyring Cube is a compact, travel size puzzle providing hours of fun for you and your friends anywhere, anytime.