The Impossible Dovetail Puzzle contains an intriguing contraption inside that keeps the two wooden pieces securely locked to each other with a dovetail joint. The dovetail joint looks impossible to solve at first, but don’t fret! Believe it or not, there are only 2 moves required to open this puzzle! How difficult could it be? Well, the solution itself is simple (which adds to the puzzle’s appeal), but very few puzzlers will find the solution without some knowledge about the history and style of mechanical puzzles. The two wooden halves will separate easily and smoothly if you solve the puzzle correctly, and then you have reached the end!