Sell Nintendo DS Games. Get Cash for More Brain Training from Dr Kawashima How Old Is Your Brain. More Brain Training from Dr Kawashima: How Old Is Your Brain? features all-new exercises and DS Brain Age Checks that will challenge even the most trained brains! People young and old will enjoy the new training exercises that test a person's memory, math and perception skills. All a person needs is a few minutes a day to give his or her brain a proper workout. Lead a busy lifestyle? The portability of the Nintendo DS lets users take on a challenge during any downtime when they're on the go. The DS Brain Age Check measures the speed and accuracy with which the tasks are performed, and users can see their progress to stimulate their skills on a daily basis. Can you spare a few minutes to exercise your mind? Testing oneself in More Brain Training from Dr Kawashima: How Old Is Your Brain? is as easy as 1-2-3. Users hold the DS like they would a book and use the stylus to mark their answers on the intuitive DS Touch Screen. Anyone who's jotted down a note or read a book will feel at home with More Brain Training from Dr Kawashima: How Old Is Your Brain? right away. *All exercises are based on easy-to-execute mathematical, cognitive and language-based tasks. In one activity, users play Rock, Paper, Scissors, but the catch is that sometimes users are asked to find the losing match instead of the winning one. Memorising 5x5 asks users to simply remember the position of numbers on a grid. Correct Change challenges users to work out the right amount of money to hand back after a transaction as quickly as possible. *Making a welcome return to this new title is the popular numbers game, Sudoku. Featuring three difficulty levels, there are more than 100 challenges! *With More Brain Training from Dr Kawashima: How Old Is Your Brain?, users can also play with their family and friends. Using a single Game Card, two to 16 players can participate in four different exercises together.