The Bachmann HO Scale E-Z Track Expander Set makes expanding the oval or circle included in your train set fast and fun. With this set you can create a fun railrod with four 18′ radius curves, one each left and right manual turnouts, four 9′ straight sections, a pair of Hayes bumpers and a track plan manual with layout suggestions. This set includes steel-alloy track with molded black roadbed, but it can easily be mixed with gray-roadbed nickel silver E-Z Track too when you decide to add onto your layout. The Figure 8 Track Pack is compatible with the entire line of Bachmann HO Scale E-Z Track.WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov