It is controlled using the control knob on the locomotive controller

Model Number: 8507

This is a USA Trains R17023 G Chicago Great Western Piggyback Flatcar with Trailer

Hobbyists find this is one of the most frequently used gauges for modeling projects

this set has it all

Bluford Shops 63061 N Virginian 2-Bay War-Emergency Composite Hopper VariantsUnitPrice_number_495.65 It is controlled using theThis is a Bluford Shops 63061 N Scale Virginian 2 Bay War Emergency Composite Hopper with Load Ready to Run (black). These ready to run 2 Bay War Emergency Composite Hopper N Scale replicas feature a diecast slope sheet hopper bay center sill assembly; injection molded plastic sides, ends, and hopper doors; fully molded brake tank, valve and air lines; body mounted brake hose detail; load; body mounted magnetic knuckle couplers with close coupling and