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 4 includes F and G clefs, major scales up to 3 sharps and flats, minor scales, harmonic and melodic intervals, note-spelling, key-signatures, finding keynotes of major scales learned, tonic triads, triplets, dotted quavers and semiquavers, new italian terms and expression marks.
Difficulty level, roughly compared to ABRSM exam grades. 0 is beginner, 9 is advanced (beyond grade 8).