The benefits of the Freddie book occur when repetition follows. The book is a foundational introduction to the treble clef staff and six notes. Revisiting the music staff pages by using flashcards with whole notes is the reinforcement. Six 5” X 8.5” laminated flashcards. This set complements the Treble Clef Adventure #1 Series The Thump in the Night (sold separately. Don't forget Freddie the Frog sold separaelty, he is the teachers most valuable tool to keep things interesting!