EssentialElementsInteractive.com
5 Note Challenges
Flute, Bells and Oboe - 5 note challenge
Clarinet, Trumpet and Horn - 5 note challenge
Trombones and Baritones - 5 note challenge
10 note challenge - Flute/oboe
10 note challenge - Trombone/Baritone
Flute, Bells and Oboe - 9 note practice
Free Music and Lessons - 8 notes.com
The Music Interactive - Downloadable games
MuseScore - downloadable on a computer for writing music using traditional notation
Classics for kids - Compose Music