I took my kid to one of these last year. It was fairly useless. They drag around little action-icons into a list to make an animated character move around and do stuff. My 11-year-old was bored stiff.
Edit: PS the Apple Store employee who ran this thing (he was a very nice guy) admitted he had zero coding experience himself
Edit: PS the Apple Store employee who ran this thing (he was a very nice guy) admitted he had zero coding experience himself