Mensa Brain Training Puzzle Cards Mensa Brain Training Puzzle Cards Test Your Powers of Deduction and Challenge Your IQ Robert Allen Carlton2017Hardback60pp Illustrated148x100mm 9781787390171 Product Code: 506861 Details Written by the puzzle-setters at Mensa, the high IQ society, this set is ideal for exercising your grey matter, with a variety of logical and numerica... DetailsBackDetailsWritten by the puzzle-setters at Mensa, the high IQ society, this set is ideal for exercising your grey matter, with a variety of logical and numerical problems to solve.See MoreSee Less publ £9.99now £3.99 Qty Qty-+ Add to Basket CategoriesReferenceTagsPuzzles & quizzes