Minimum Curve Radius Calculator
Recommended minimum radius by scale, longest car (or longest wheelbase locomotive), and operating speed.
Gear actually worth buying
Top picks for model railroading. We earn a small commission on eBay purchases — here's how that works.
HO scale locomotiveHO is the most-supported scale — widest selection of locomotives, rolling stock, and track. DCC-ready is worth it.
Track set (sectional)Atlas and Bachmann sectional track is good for layouts in progress. Flex track once you know the plan.
DCC decoderDigitrax and Soundtraxx are the reliable decoder brands. Match the decoder footprint to your loco's board.
Scenery ground cover + foamWoodland Scenics ground foam and blended turf are the standard. Static grass applicator is worth the investment.
Structure kitsWoodland Scenics and Walthers kits cover industry, station, and residential builds. Snap-fit for beginners.