GeoSafari is a proven success in thousands of classrooms. Hundreds of curriculum-focused lessons provide action-packed, self-checking quiz games that involve one student or the entire class! Features automatic answer correction and scoring. Requires AC adapter (included) or four D batteries (not included). Lesson cards and headphones sold separately. Backed by a one-year warranty. Includes AC adapter and twin headphone jacks for quiet classroom play! Compatible with all GeoSafari lesson cards (sold separately).