Leapfrog 39950 Battery Charger Features: Recharge your LeapsterGS Explorer for hours of learning fun! Includes a rechargeable battery pack set and an AC adapter for more hours of play on your LeapsterGS Explorer gaming system. Included AC adapter also allows for immediate plug-and-play gaming! Appropriate for children ages 3 to 9 years. Only works with the LeapsterGS Explorer gaming system (sold separately)