How about some more info:
1. What type of locomotive and model number ( i.e. Lionel, Mth, Williams, etc model # )
2. What type of cars (.i.e. passenger,freight, make and model#)
3. Track and Curve Radius ( i.e. Lionel tubular, fastrack , atlas , gargraves etc etc o27,036, 042 etc etc)
4. Conventional or Command control/ Transformer type