Double-Track Railroad Bridge Concrete Abutment pkg(2) Series_Spirograph you can configure the Spiral

you can configure the Spiral to take the marbles on a dizzying journey from one level to another

Wheels constructed of high-strength DuPont nylon

these six units were returned to EMD's La Grange

For experienced model builders

Double-Track Railroad Bridge Concrete Abutment pkg(2) Series_Spirograph you can configure the SpiralWalthers Part # 933 4553, p. 175 Walthers 2021 HO Scale Reference. The Cornerstone HO Scale Double Track Railroad Bridge Concrete Abutment kit includes two concrete abutments with wing walls. The parts feature molded cut lines to make it easy to adjust their height to fit your scenery needs. Injection molded parts come molded in an appropriate base color.