London Underground Train by BrioLondon Underground Train by Brio. Mind the gap as you board the London Underground Train part of the Trains of the World series. This metro train set includes the iconic red, white and blue train, a tube tunnel and two characters. Push the train to activate its lights and sounds and recreate the London Underground experience, which first opened in 1863. 1x Underground Train, 2x Underground Carriages, 1x Tube Tunnel, 2x Passenger Characters, 1x