Leappad Leapfrog Friends 3 Book Lot + Extra: Dune Buggy Race, Surprising Teacher

Description

4 Leappad books, 2 of them featuring cartridges and two of them that don't require a cartridge.  "A Collection from the Leappad Library" is not compatible with the 2001 Leappad system and may be programmed to only work with the "Leappad Plus Microphone" system as it shows in the back picture.  The rest have been tested and work.
"Leap 2 Math: The Great Dune Buggy Race"
Year: 2001    The book and cartridge are in good condition.
"Lessons for Life: A Surprising Teacher Narrated by Whoopi Goldberg"
Year: 2003    The book and cartridge are in good condition.
"Leappad Interactive Book"
Year: 2002    The book does not require a cartridge as it is programmed into the standard Leappad system and is only compatible with that system.  Pencil marking on pages 19-23.  In acceptable condition.
"A Collection from the Leappad Library"
Is not compatible with the 2001 Leappad system and may be programmed to only work with the "Leappad Plus Microphone" system.  It is in good condition.