a portable unitary box for use by children in automobiles and similar conveyances including a housing having an interior in which is positioned both a continuous supply of writing paper in roll form , portions of which are successively moved over a supporting surface on the box exterior for sequential use and a removable container for writing instruments such as crayons together with a manually operable paper brake for guiding the strip movement and to permit used strip portions to be sucessively severed from the strip .