They both look pretty happy! Oooh you have one of those old-school play cash registers, I see it in the bottom photo! I used to have one of those as a kid, they were so cool. Funny the things that you pick out in photographs ;)
Yes it's fun to play shops...we used to make them with boxes when we were kids and play shops with empty boxes...awesome fun.
My big girl loved her flute too, sadly it sits idle now in her room but my little one plays the keyboard. It's wonderful for them to have an interest in music. Have a great week. x