The curved train tunnel is a beautiful addition that is sure to liven up and make your little railway enthusiast's train set much more attractive. It can be arranged in various combinations to create different shapes, according to the child's imagination. Either as a simple, straight tunnel with a 180-degree turn, or by connecting four of these tunnels to create a curved tunnel that is compatible with the Long Curve Track. Made from sturdy plywood with a unique natural finish. Made from high quality, responsibly sourced materials and conforms to current European safety standards.