This lap-sized board can also be hung on a wall or other vertical surface for hours of creative fun. The board features a magnetic chalk board on one side, and a dry-erase white board on the other. The set includes a pack of five different colored chalks, one blue dry-erase marker and an eraser. Also included is a set of magnetic numbers and letters (one of each a to z and 0 to 9). The board measures 40 cm x 30 cm (about 16" x 12").