This remote-controlled train set invites young explorers to embark on Arctic adventures with a motorized locomotive, research station, and expedition gear. The set includes Johnny Thunder and five explorer minifigures, along with a snowplow locomotive, passenger car, flatcar, snow tractor, and two Arctic fox figures. Interactive features include a mountain tunnel with a rockfall function, a research outpost, mining cave, and a zip line connecting exploration zones. The train operates via remote control or through the LEGO Powered Up app (10 AAA batteries required, not included). With 1,517 pieces, the assembled train measures over 3 inches (8 cm) high, 27.5 inches (70 cm) long, and 2.5 inches (6 cm) wide. Designed for ages 7 and up, this set can be combined with other LEGO City sets (sold separately) for expanded play possibilities.