Join Johnny Thunder and the explorers aboard the LEGO City 60470 Explorers' Arctic Polar Express Train Set! Expand the play possibilities even further by combining with other LEGO City sets (sold separately). For added digital fun, builders can zoom in, rotate models in 3D and track their progress using the fun, intuitive LEGO Builder app.This set features a remote-controlled LEGO Powered Up locomotive with a snowplough, panoramic passenger coach, flat wagon and snow tractor. Kids get 30 pieces of train track, a toy mountain tunnel with a rockfall function, an outpost building and a mining cave. Just add the Johnny Thunder and 5 explorer minifigures, plus 2 Arctic fox figures, and let the adventures begin!