The FLY 1.0 Pentop Computer only works with FLY 1.0 software and accessories, and is not compatible with FLY Fusion products. * An electronic pen with built-in computer and audio output designed for tweens * Draw or write on special FLYpaper and the optical scanner reads and responds * Use for scheduling, calculator, making and recording music, and games * Additional cartridges for learning and fun are available, sold separately