Leap Frog Cartridge/Game Storage Kit Case The Cartridge Storage Kit offers secure storage for 10 Explorer cartridges. Appropriate for LeapPad2, LeapPad1, LeapsterGS Explorer or Leapster Explorer. Also includes a cleaning cloth to help take care of your LeapFrog learning system! Appropriate for children ages 3 to 9 years. Systems, games and other accessories sold separately.