Athearn Genesis G19610 HO Scale EMD FP7 Chicago and Eastern Illinois CEI 1605 DC Model Rocket Set you could run it on

you could run it on a large outdoor track with rough surfaces and huge jumps

Atlas 5-Conductor Ribbon Wire matches wire supplied with Atlas remote control turnouts and can be used in any scale

3x6mm Titanium Hex Head Screws x12

or they can be independently wired and modified to operate on 3VDC

Athearn Genesis G19610 HO Scale EMD FP7 Chicago and Eastern Illinois CEI 1605 DC Model Rocket Set you could run it onAthearn Genesis G19610 HO Scale EMD FP7 Chicago and Eastern Illinois CEI 1605 DC EMD F units were a line of diesel electric locomotives produced between November 1939 and November 1960 by General Motors Electro Motive Division and General Motors Diesel Division. Final assembly for all F units was at the GM EMD plant at La Grange, Illinois and the GMDD plant in London, Ontario, Canada. They were sold to railroads throughout the United States, Canada,