Honestly I have not done a whole lot of research on tegus, but was wondering what times of the year would you let them out there and for how long?? I really want to have at least one tegu someday, I just need to get a bigger house with more room first and to fully research them as well of course ... And to build something like that as well would be very nice!!
You'll have to post pics of it once you are done! I am sure that it will be awesome!!