"Mensa" Riddles and Conundrums Pack

Synopsis

The Riddles and Conundrums book contains a selection of more than 50 fiendishly difficult riddles and conundrums puzzles designed to bring out the best of your brain power. Then, having worked your way around some of the posers from the contents of the box, there is a stem reality check in the shape of six full-blown, nerve-jangling cryptic crosswords.; Instructions for the various games within the pack: Matchstick problems, Chess problems, Peg solitaire, Crosswords, Pentominoes, Coin problems, Tangrams, Jailbreak game, Metal puzzle.