
If you can solve the Rubiks cube in under 10 minutes, then you should try the Isis puzzles from ThinkGeek, which is claimed to be the hardest puzzles in the world. Invented by a magician and manufactured entirely in the UK, each Isis is individually assembled by hand and made of the highest grade aluminum. You can buy these puzzles for $174.99 each. Watch a video after the jump to get more details.