These are Four Pieces of HO Scale Nickel Silver Curved Track from Bachmann.
It's part of the EZ Track System Series for experienced train collectors.
FEATURES: 1/3 18"-radius of slightly curved track (4 total pieces).
HO scale nickel silver track pieces.
Black ties and a gray roadbed.
Quick and easy assembly.
Snaps together and stays firmly together.
Operates on floors, tables, and carpets.
No screws, nails or special tools needed for assembly.
Perfect for adding or even replacing track.
Packaged in a blister pack.
INCLUDES: Four Pieces of HO Scale Nickel Silver Curved Track