LeapFrog LeapPad Educational Game: Thomas the Really Useful Engine. BOOK and CARTRIDGE *only for the Original Leappad learning system, not compatible with the Leappad Explorer Tablet. *preK-Kindergarten * Thomas the Tank Engine is excited to see the children at the train station depot for a school trip *Accompany Thomas and see if he can make it through his busy schedule in time to take the children home *For 4-6 years *New and sealed in original package. Never opened