Pocket Posh (R) Left Brain/Right Brain features a chicly styled cover making it a smart, sophisticated accessory that goes with anything. Packaged in a handy size, it fits nicely into a purse or bag. Pocket Posh (R) Left Brain/Right Brain features 25 left-brained puzzles and 25 right-brained puzzles each with a time to beat and thinking tip. The left-brain puzzles will develop your logical-numerical skills and your eye for detail. The right-brain puzzles will develop your spatial and visual awareness and your ability to think creatively. With more than 1.5 million copies in print, the Pocket Posh (R) puzzle series is a great way to exercise your mind-and look great while doing it!