This Insanely-complex Puzzle Box a Riddle, Wrapped in a Mystery, Inside an Enigma
If you like a good puzzle, check out this video by Ryan Calme demonstrating all the steps required to open the extremely complicated puzzle box he built for his father. The box as a bit of everything thrown in: cyphers, enigmatic symbols, magnets, electronics, gears, hidden compartments, and more stuff to confound your mind.