Abstract: An activity center for a motor vehicle in which a platform is provided in the vehicle interior, preferably mounted to a seat back. The platform is movable from a stowed position to a horizontal use position overlying a seat cushion and seat back at a seating position for use as a work surface or a play surface. In addition, the activity center includes a storage compartment for toys and other items and may include cup holders, pencil holders, etc. Furthermore, toys such as a stud panel for use with building blocks and drawing toys, such as Etch-a-Sketch®, can be integrated into the activity center.