This is the E-Z Street 21" Diameter Curved Track from Williams by Bachmann. Suitable for Ages 14 & Older. FEATURES: Four pieces of track make up one half (180°) of a 21" diameter circle Can be used on the outside of a 16" diameter curves to create realistic two-lane roads INCLUDES: Four E-Z Street 21" Diameter Curved Track SPECS: Scale: O 1/48 tlc 4/9/12