Cast S&S has been around for years. It is not the least bit intimidating; so just about anyone will “give it a try”. It has a Difficulty Rating of 7 out of 10; so you can expect that it will give a good challenge. Many mechanical puzzles require several moves to solve, but this one requires only 2.Being sturdily cast metal, it will not break and will not break. Unlike many puzzles that require several sequential moves to disassemble and then reassemble, and then get tossed aside as too difficult; this one can be solved by almost anyone who has a bit of patience.