Fort Knox is known as the most secure place in the USA. Will you be able to crack this puzzle and find the hidden compartment.
With eight problems to solve you must use the available information on the faces of the box in order to open the box.
There is an advertised solution time of 25-40 minutes for this box making it one of the slightly easier designs. It can be attempted on your own or as a small group of 2-3 people.
If you are stuck you can access some hints to help you on your way. It’s also possible to look up a solution for opening the box quickly and easily if you are giving as a gift so you can hide something inside and reset.
Made from birch plywood the puzzle measures 12 x 10 x 11.5cm.