Each illustrated set of puzzles contains ten question papers, information for teacher and parents and a certificate of achievement for the pupil. These puzzles take into account limited reading and writing skills of younger children.
Set 5 includes major scales up to 4 sharps and flats, transposition, minor scales, simple duple and compound duple time, finding the relative minor.
Difficulty level, roughly compared to ABRSM exam grades. 0 is beginner, 9 is advanced (beyond grade 8).