It activates the immune system

is white and non-staining

This is Williams 21830 O NS Heritage SD90 Lackawanna

This is Gargraves 213-RC RH O-42 regular remote control switch with tinplated rails

The Trainz SKU for this item is P12195834

Bachmann Spectrum 84554 C&O Baldwin 2-8-0 Consolidation w/DCC #705 DwDetails-5.20-1.60-18.00-8.00-8.00-1 It activates the immune systemRoad Name: Chesapeake & Ohio #705 Product Information: In the tradition of our HO scale 2 8 0, this N scale Consolidation comes equipped with many of the same details found on its award winning predecessor. Now for the first time it is available in this DCC equipped version. Features include: DCC equipped for speed, direction, and lighting precision motor metal motor and driver axle bearings operating headlight separately applied stack, domes, and cab