Featuring delightful stone detailing and a high quality finish, the Grey Stone Tunnel is a must-have accessory for any train set. Measuring 10.5cm in length, the tunnel is perfectly sized for little hands to be able to see and pull their train out of the other side. It features a sturdy design with built-in track that connects to other wooden track and accessories with ease, and will help to create a diverse landscape when used with other accessories such as bridges and level crossings. Encourages creative and imaginative play. Most other major wooden railway brands are compatible with Bigjigs Rail. Made from high quality, responsibly sourced materials. Conforms to current European safety standards.