Creating individual features, such as bridges and viaducts, is a great way to develop your wooden railway network. This wooden Bridge Expansion Set helps to make the most of every play session and encourage imaginative play. Features 18 play pieces including two red bridges and six high level wooden blocks plus ascenders, descenders, curves & straights! Most other major wooden railway brands are compatible with Bigjigs Rail. Made from high quality, responsibly sourced materials.