The Houdini The Fiendishly Perplexing Lock is a fascinating puzzle lock that will baffle even the most experienced of problem solvers! The "trick" lock cannot be opened like normal locks or boxes. A solution needs to be found to solve the trick & crack the lock! They have been made for many centuries & have foiled burglary attempts, kept secrets hidden away & helped escapologists baffle audiences This is a great gift for any budding magicians or would work as a good deterrent against thieves. The lock will open but can you work out how? The world's most famous escapologist, Harry Houdini, could crack any lock. Are you up to the challenge? A great piece of magic trickery!