http://www.mygiftguide.co.uk/Experiencegifts/Isis_Adventure/ As seen on BBC2's DRAGONS' DEN Welcome to the ISIS Adventure, possibly the most difficult puzzle in existence, (well according to it’s creators). Now it’s your turn to put their theory to the test. The ISIS Ball is an alloy orb constructed in layers and covered in cryptic hieroglyphics. All you have to do is open it by cracking the combination. You’ve... Tue, 27 Nov 2007 08:44:33 EST en