An interactive book and pack with over 200 puzzles, games and activities designed to give your brain the ultimate mental workout. This pack contains a set of ingenious games, puzzles and activities designed by Mensa, the international high IQ society, to hone your mental powers until they're razor sharp. There is a book containing series of IQ-type puzzles that will test both your speed of thought and mental agility. In addition there is a board game that will provide the whole family with hours of puzzle-solving fun, and another that helps to build vocabulary. There are 3D puzzles that will put you through many hours of mental struggle as you try to reach seemingly impossible solutions. But you don't have to be a genius to enjoy this pack. All the puzzles will yield to a bit of logical thinking and persistence.