Erase your image with the touch of a button ? and a friendly flash from the liquid crystal display ? Cool!. Sealed 3V watch battery never needs replacing.. The Boogie Board tablet is an ultra 1/8 inch thin and is easy to take with you in a purse, scheduler, briefcase or backpack.. The case and LCD are made from durable plastic materials. Safe for school use and all around the house, office and car.. The Boogie Board tablet?s pressure-sensitive LCD writing surface creates lines of different thickness based on how hard you push ? just like paper and pen!. Whats in the Box: Boogie Board 8.5 Tablet, Stylus, User Guide. Write or draw with the included stainless steel stylus or any other suitable instrument ? even your finger! You?ll never need to search for a pen or pencil again!