Join Johnny Thunder and the explorers aboard the Arctic Polar Express Train! This locomotive is built to plow through icy terrain. Check out the panoramic passenger car with its computer station and fold-out sleeping area! Load the snow tractor and 360° camera onto the flatcar, brave a frozen mountain tunnel with falling rocks and explore a deserted gold mine with resident Arctic foxes! • Remote controlled toy train set – Fans of STEM toys and pretend play will love this LEGO® City Explorers’ Arctic Polar Express Train set for kids aged 7 and up• What’s in the box? – An RC toy locomotive, passenger car, flatcar, outpost, mountaintunnel, mine cave, 22 track pieces, a Johnny Thunder minifigure, 5 explorer minifigures and 2 Arctic fox figures• Features and functions – Kids can drive the toy train through the mountain tunnel to activate a rockfall function and send minifigures dow n a zip line that connects the mountain to the Arctic outpost• Powered Up playset – Kids operate the model train locomotive with the remote control or a smart device equipped with the LEGO® Powered Up app. Set requires 10 x LR03 (AAA) batteries, not included• A premium-quality LEGO® gift – Give this feature-packed building toy as a gift for boys, girls and train fans aged 7 and up• A city without limits – Kids can unleash more fun and adventures when they add this toy train building set to otherplaysets (sold separately) from the LEGO® City range• Creative toys with a fun digital guide – The LEGO® Builder app takes kids on an intuitive building adventure with tools that let them zoom in and rotate models in 3D as they build• Dimensions – The motorized train including the 2 cars in this 1,517-piece LEGO® City set measures over 3 in. (8 cm) high, 27.5 in. (70 cm) long and 2.5 in. (6 cm) wide