Amazon
This is a series of puzzles designed by some of Mensa's leading puzzle-setters with the aim of testing - and training - all aspects of the problem-solving areas of your brain. It includes over 200 formidable puzzles to get your brain into gear.
This is a series of puzzles designed by some of Mensa's leading puzzle-setters with the aim of testing - and training - all aspects of the problem-solving areas of your brain. It includes over 200 formidable puzzles to get your brain into gear.