If you like puzzles and want hours of entertainment, Quad Cube is the perfect solution. A multi-dimensional puzzle resembling four interlocking Rubik's Cubes, this mind-challenging puzzle has been around since 1980.
With 43 quintillion possible moves and only one solution, Quad Cube is incredibly addicting. In fact, it will drive you insane! Recommended for ages 8 and up, each plastic cube measures 1 inch.
Quad Cube is a great way to combat boredom while traveling and makes a wonderful gift.