FasTrack O31 Curved Track 4-Pack (8 pieces per circle) FasTrack SKU: 6-81862 Dimensions: 45-Degree section Gauge: O Gauge price: 21.99 year: 2014 rail line: None Minimum Radius: None Power: Electric Catalog Year: 2014 Road Number: None Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product