Benesse Challenge Fourth Grade A fun educational set for learning about all 47 prefectures. Visual guide for learning about Japanese yokai and legends. Set of 2 books - Yokai & Legends BOOK - 47 Prefectures Yokai & Pun Encyclopedia - Yokai General Election Poster - 47 Prefectures Puzzle - Prefectural Capitals Poster Thank you for viewing. This is educational material for Challenge Fourth Grade. Recommended for children who like yokai and for studying prefectures.