Athearn Genesis G1265 HO Scale PS-2 2893 Covered Hopper Jack Frost NSRX 313 Roadname_New Jersey Transit As marbles enter the 3-way

As marbles enter the 3-way switch each marble closes a "door" behind it

Walthers Proto 920-48713 HO Scale EMD SD9 Southern Pacific SP 3873

As operated from 1930s to 1950s

Monroe Models (AIM) 3100 Colored Weathering Powder Set Assorted

Athearn Genesis G1265 HO Scale PS-2 2893 Covered Hopper Jack Frost NSRX 313 Roadname_New Jersey Transit As marbles enter the 3-wayAthearn Genesis G1265 HO Scale PS 2 2893 Covered Hopper Jack Frost NSRX 313 FEATURES: Separately applied round roof hatches Factory applied wire grab irons Separate brake cylinder, valve and air reservoir with wire brake plumbing 33 solid nickel silver wheels with RP25 contours operate on all popular brands Minimum radius: 18 of track Accurately painted and printed for prototypical realism Coupler lift bars, trainline hoses, brake hoses, and hardware