I mean in school holidays? When they were younger it was soft play, farms, playgrounds, feed the ducks, swimming etc.
Now they still like spending time with us but at 11 and 13 it's trying to find something they're keen on. We do walks (they moan a bit), theme parks when weather ok and they're open, and the occasional trampoline park. We play board games or watch DVDs sometimes. Anything else? I'm not trying to fill all their time - just get them off their devices for something they want to do with us sometimes in the holidays! Any ideas I'm missing?