“ We have a forest in our backyard with a 2 story fully enclosed treehouse (including electricity), sports fields within a 5 minute walk, tons of hiking trails, etc. But it is a real struggle to get them to leave the house because”

But..do you have their friends in that space? I’m not naive I realize a lot of kids actually just want to TikTok, but “go hiking” isn’t a valid alternative. Kids want friends and unstructured time with them not beholden to their parents ability to drive them somewhere.