Thomas & Friends E-Z Track Layout Expander Pack OO Gauge With the E-Z Track® Expander Set, you can add to the track included with our train sets or create new configurations of turnouts, branchlines, and double-track mainlines on your existing railroad. Also, a handy track plan manual included with the Expander Set contains ideas to inspire railroad tycoons of all ages. Features include: • 12 pieces of snap-fit E-Z Track®, including 4 pieces of 9” straight, 4 pieces 18” radius curved track, 1 manual turnout-left, 1 manual turnout-right, and 2 buffer stops • Quick, easy assembly on floors, tables, and carpets without the need for special tools or fasteners • Helpful track plan manual