The Times Su Doku plastic board puzzle can be played at home but our version is slim and portable for you to take on your travels. No pens or paper, but plastic tablets that you locate onto a plastic board. Simply lift the lid of the Su Doku box and lift the play-board from its base to reveal the games booklet that contains the rules. 100 puzzles in four degrees if difficulty ? easy, mild, difficult and fiendish, and all the solutions. A beautifully presented game which would also make and excellent gift. For ages 5 & upwards and 1 Player.