Folks who have had given the Rubik’s Cube a go will know just what a frustrating experience it was, but the satisfaction you get from solving it sure beats just about anything else (OK, maybe not but you get the idea). Here’s an updated version to help you end up with frazzled hair – the Rubik’s Mirror Blocks Cube that has different sizes to solve, so if you think having a good personal time includes going mad, be my guest to fork out $19.99 for this.