This book is best for preschoolers; the entire system simply color codes the keys and has the child match the first a color on the page to the color of the key to play a little song, and later numbers the keys and the kids play by matching numbers. Unfortunately, it does nothing to teach them to even see what real music looks like, and its title is very misleading because it does nothing to lay the foundation for learning to read notes, which most kids are ready to do by age 6 or 7 (same as reading books). Also be aware that this is self published by the author; it is simply a spiral bound book of pages with some stickers. [...]