This Impossible Lock comes with both a key and a little implement with which you’re supposed to work out a very difficult puzzle. Put this doozy on the chocolate stash in the cupboard and you’ll probably lose weight faster than you can say hacksaw blade. £139.99 ($204.39).
A specially constructed brass padlock, 106 mm long and weighing 635 grams, this is a very solid construction, and is beautifully made. A real piece of precision engineering. And it does not give up its secrets easily! It comes with a key, and also a small implement with a point at one end. There are a number of separate steps needed in order to unlock this puzzle. One could spend quite a while on this one. Fortunately it also comes with a set of instructions!
