ok brought in the main building and added a control panel inside the control tower plus a L.E.D. light and switch on the roof switch and batteries are located under the rood section inside, still lots to do have to do the trim around the windows / put more windowns i have the staircase to finish thats the first section on the side at the bottom and door ways........Hmmmm staircase, that might be a way for Captain Actions PanTiger to get to the topof the roof to knock down my tower...lol