Well, this is basically about a door that is triple locked; once all 3 locks have been undone then the door can be opened from the outside (it can always be opened from within) and you may then enter the vault (The vault also contains an on/off fireplace system that will be set off once the player steps inside the main vault-room)

Using the wooden buttons feature of the new snapshot I have made the lock so that it is also a test of skill with a bow (It's really not very hard though)

This map was mainly just to point out one of the new capabilities of the snapshots that will soon be in minecraft vanilla 1.4.

Any feedback is appreciated.