The London Underground opened in 1863 and sees 1.35 billion passengers every year. The next train is approaching, which station are you heading to?The Tidlo Underground Train is a wooden replica of the iconic London Underground Train, transporting tourists and locals around the big city! A fun addition to any . Features three underground carriages. Pair with the City of London train set.Encourages creative and imaginative role play. Compatible with most other major wooden railway brands, including . Made from high quality, responsibly sourced materials. Conforms to current European safety standards.