Product Features: Easy to use product allowing everyone to test and exercise their brain Stimulating brain training activities and exercises in one machine using Logic, Visual & verbal Memory, Number and Word Puzzles On screen instructions 3 skill levels Scoring Assessment for overall performance including charts to show your average and best score Touch Screen with large LCD display Adjustable contrast and volume Auto shut off Dimensions: 13.3 x 8 x 2 cm Battery: 2 x AAA (not included)