If I'm honest, for a lot of kids, I don't think that its the clubs that are boring, it's more that the older kids, especially travelling on their own or the only ones that age are more self-aware and don't want to be there 'alone', but they're not quite into going up to complete strangers and making friends.
The lab especially is very much aimed at the older end with so many iPads, the animation room, craft areas, even the games available (uno, spot it, game of life, monopoly...), and when there's no planned activity there's usually large group ball games aimed more at the older kids than 3 year olds: gaga ball, 4 square, capture the flag...
It makes me laugh a little when kids say they want to go to Edge for the activities (I get that the environment is different), but the majority of the activities actually come from the lab: fourth pigs pasta, science, anyone can cook, gaga ball, animation cells...