The Märklin 74618 Track Ramps Piece Straight 180 mm is a new pre-built track piece designed for model train enthusiasts. Made of gray plastic, this 7" long track ramp features a straight track form and is part of a two-rail system. It is compatible with HO gauge model trains and can be easily assembled using an analog control system. Made by the renowned brand Märklin in Germany, this track piece includes a box for storage and is a great addition to any model railroad setup.