If you're shopping for someone who loves puzzles this holiday, Amazon has some great deals on an all-time classic: the Rubik's Cube. More specifically, Amazon is offering big discounts on Smart ...

Just a heads up, if you buy something through our links, we may get a small share of the sale. It's one of the ways we keep the lights on here. Click here for more.The Rubik's Cube is smart now, and ...