Add twists and turns to your wooden railway with Bigjigs Rail Curved Tunnel. The toy is crafted from high-quality, responsibly sourced materials and sturdy plywood with a gorgeous natural finish. It is ideal for adding an area of interest to your wooden train set. A versatile wooden train accessory, the curved tunnel can be positioned in various formations to make different shapes. You can turn the tunnel 180 degrees to make a straight tunnel or join four tunnels together to form a curve that's compatible with a Long Curve Track. It conforms to current European safety standards.