I love this set. For being from the early 1990’s it has so many play features and is soooo cool. My little nephew even said lego doesn’t build them like this anymore. You will have to replace the little micro motor. They are not available/expensive. I modified my set to use a much more common 9v lego motor compatible with the original electrical system. So with the flashing front lights, motor and fiber optic light running this set is really spectacular to see in the dark.