Features R5 Curve: Radius = 1240mm / 48.8" Diameter = 2480mm / 97.6" Each 35215 curve is 15° 24 pieces completes a circle 100% Virgin Brass Rail Code 332 (0.332" high) solid rail. Ties are made of ultraviolet-stabilized HDPE Unique track geometry makes even complex track plans simple to build with only a few different track sections. Compatible with most other brands of G-Scale track for unlimited expansion possibilities. Sturdy push-together rail joiners are factory-formed to fit tightly to the rail profile. Made in Germany. 24 FOR A CIRCLE WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.