1960s Aurora Slot Car Lot w/ DC Power Pack, 3 Controllers, 7 cars, 17 tracks For Sale

Plugged in the power pack and it works! However only one controller worked and the four cars that are seen on the track work. The other two controllers do not appear to be working and the three other cars the wheels did not turn like the other four did. 17 pieces of track included as well. An original “Tornado” car case included with no chips on the plastic pieces. The white working car was inside the case when found (estate sale). I did not take any of the cars or controllers apart or try fix/oil them.