Here are some Links that you may find interesting and informative.
WunderKeys Link:
https://www.youtube.com/watch?v=JYyaeX9d6bc
My wunderkeys link: http://wunderkeys.com/preschool-piano-lessons-in-devon-alberta/
https://www.youtube.com/watch?v=JYyaeX9d6bc
My wunderkeys link: http://wunderkeys.com/preschool-piano-lessons-in-devon-alberta/