Are you or someone you know silly about Sudoku? If so then this is just the gadget for you! Concealed away in this tiny touch screen marvel are over 800 Sudoku puzzles ranging from simple to fiendish. Measuring just 75 x 100mm this pocket puzzler with slip comfortably inside a bag or pocket, ready and waiting to be produced when travelling, or just waiting for a friend or colleague to arrive at a meeting.

The Einstein Pocket Sudoku is touch screen coming with a cunningly concealed stylus, which is stored inside the bottom right side of the unit. Powered by two AAA batteries (not included) you can save up to three separate games in the internal memory so that if you are interrupted, or get a bit stuck you can come back and finish off at a later time. With three difficulty levels, easy medium and hard, you can choose to slowly build yourself up to those more challenging puzzles, or if you already consider yourself something of a sudoku supremo you can dive straight in at the deep end. You needn't worry though because if you get really stuck, there is a hint button. Don't worry, we won't tell anyone if you use it.

A great gift for those who like to take their puzzles out and about with them, the Einstein Touch Screen Pocket Sudoku is sure to leave contented puzzlers scratching their heads all over. Features:

• Ergonomic, lightweight design
• Saves up to three separate games in the internal memory
• Choose from easy, medium or hard puzzles
• Contains more than 800 puzzles
• Intuitive touch screen interface allows easy control
• Included stylus stored in bottom right of unit
• Approximate dimensions 75 x 100mm
• Requires two AAA batteries (not included)