8(Educational Piano Library). 120 color-coded cards to review musical terms, scales, key signatures, and chord progressions in C, Am, G, Em, F, Dm and rhythm patterns in 2/4, 3/4, 4/4, 3/8, and 6/8. Also includes interval cards prime through octave. International cards are also included (quaver, crotchet, dotted crotchet etc.).