How a set of three pieces can create an intrigue when this intrigue is wrapped in a clever puzzle? The time proves such puzzles existed decades or even centuries ago and the practice shows they are invented nowadays on quite a regular frequency. We took a look at the most intriguing ones and selected our Top-10 to provide you with the insight what a challenge such creations of human ingenuity can present. Several preconditions had been considered while selecting the puzzles for this review. 1. A selected puzzle must not be trivial. 2. The pieces can be complex, provided that if such a piece is broken into at least two smaller pieces the idea of the puzzle is totally broken. 3. If there is a whole generic group of the similar 3-piece puzzles, then only one candidate from the group is selected for this review. Good luck and Happy Puzzling!