Piko G Scale Curved Track Radius 1, Track Plan Reference G-R1, Centre Line Radius = 600mm 30 degrees, Length = 300mm. 12 track pieces needed to make a complete circle. Piko's unique track geometry makes even complex track plans simple to build with only a few types of track sections and with the rails made from pure virgin solid brass will ensure decades of use. Piko G scale 1:22.5 Trains, rolling stock, track system, buildings and accessories are made from high quality durable materials ensuring realistic, aesthetically pleasing and most important of all long durability. For Outdoor or Indoor use and compatible with all G scale model railways such as LGB, Brawa, Bachmann, Faller / Pola Buildings and Preiser G scale Figures.The Buildings are Primarily aimed at the model railway enthusiast, however due to the intricate detail and high decoration would make a fine addition to any garden feature with or without a G scale model railway ! Piko G Scale Curved Track Radius 1. Piko 35211.