If you haven't noticed, ukulele players are the nicest folks around. And Ralph Shaw is even nicer.
Ralph has a number of ukulele courses on DVD, including this one for kids. In case Santa brought your progeny a uke for Christmas, this would make a nice follow-on gift. Link
(By the way, that triangular oddity is a "Teaching Ukelele" invented by J. Chalmers Doane. It's evidently not odd if you're Canadian.)