working traction motors

I been looking for a 6volts DC micro motors, that Rail flyer locomotive used in there traction motors. Can someone please, point the way, so i can try them for myself.

Nigel Lawson in the UK has them.

http://www.nigellawton009.com/6V6mmx10mmMicroMotors.html

He also has 6mm x 12mm.

You may find some of one of those in Power Jack Motion’s electric motor range as they have a couple of DC motors in it.