For those who relish a challenge!

This great puzzle sets a wondorous conundrum that’s simply guaranteed to test your mental mettle to the limit — and a little beyond!

Turn the disks to get the numbers to combine into sets of four. Sumthe numbers in each set together and chcek that they add to 40, but it is not that simple! For cracking the ‘safe’ requires the elusive solution where EVERY set must add to 40. A perfect puzzle for the avid number-cruncher or the general puzzle enthusiast.

Ages: 12+

Players: 1