This versatile Reversing Arch Bridge can be used as a trestle or flipped over as a bottom of a double-decker bridge system. It is made of high-quality birch plywood and is compatible with other wooden train sets. It can be used in two ways: standing up with the track on top as a trestle or flipped over with the track on the bottom as the bottom of a double-decker bridge system. Measures 8.7" long by 3.5" tall Constructed of high-quality birch plywood sides affixed to an 8" track grooved on both sides. The 2.6" tall bridge opening is high enough to accommodate NameTrains letters. Compatible with other wooden train sets With its sturdy construction, this wooden train bridge will surely become a beloved part of your NameTrains collection. The NameTrain vehicles are made from New England maple and finished with non-toxic paints and finishes. All NameTrain pieces and tracks are compatible with themselves and other wooden track systems. The vehicles are about 2" high, and connections are made with strong, safe, and simple magnets. NameTrain track is crafted from NE maple, with curved pieces and switches grooved on both sides. All pieces are also sold separately, making it easy to customize your set. To learn more about Maple Landmark, see my Brand Spotlight HERE. Included in my top Sustainable Toy Companies. Featured on my Top Wooden Train Sets!