This is the N Scale True-Track 15.5" Radius Curve Track Pieces from Atlas. Suitable for Ages 14 & Up. FEATURES: Prototypical US tie spacing Code 65 rail Simulated ballast roadbed Gray gravel roadbed, brown railroad ties and solid nickel silver rail INCLUDES: Eight True-Track 15.5" Radius Curve Track Pieces SPECS: Scale: N 1/160 COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger tlc 4/17/12