Welcome to the ISIS Adventure, possibly the most difficult puzzle in existence.
As seen on Dragon's Den and the Jonathan Ross Show!
The ISIS Ball is an interactive mind puzzle which involves trying to open an alloy metal ball which is constructed in layers and covered in Egyptian hieroglyphics.
Every ISIS is unique, and handmade in England by precision engineers.
Once you pick the ISIS puzzle up it becomes a real obsession and is hard to put it down. There are literally millions of combinations and the game promises to challenge the most astute and intellectual of minds.
solve the puzzle - unlock the reward
Crack the combination (if you're up to it!) and you will reveal a special key inside, which has a unique serial number stamped on it.
The key will open one of the ISIS golden pyramids which are hidden in secret locations throughout the UK.
Each golden pyramid contains thousands of pounds - a gold coin worth £500 and a number of silver coins worth £20 each.
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