Hi, Just purchased the B. circus train set....came without tracks or transformer.   Would like to run it on a 60 plus foot track with possibility of adding the White Yukon Pass train running as well.   Q?   What kind of power will I need and will the G scale GarGraves tin track be adequate for running inside only?   Thank you for any response.  They are both DC only, although the circus train has a sound system installed.