The MobiGo Game Storage cartridge allows you to store all of your favorite downloadable MobiGo learning games. Avid MobiGo gamers will now be able to have all of their favorite downloadable games with them in one place with the MobiGo Game Storage cartridge. Simply insert the cartridge into your MobiGo, connect it to the computer, download your games from the VTech Learning Lodge, and they will automatically be stored on your cartridge. Learning on-the-go with your favorite educational toy has never been so easy! This item works only with the original MobiGo system and does not work with the MobiGo 2 system.