The Lionel Polar Express LIONCHIEF O Gauge train set with Bluetooth is a ready-to-go starter set that includes a multicolor plastic locomotive and track. Manufactured in 2019 by Lionel, this digital control system train set features a festive Christmas theme with sound function. The O gauge size makes it perfect for collectors and train enthusiasts, and the Bluetooth connectivity allows for convenient operation. This train set is a great addition to any holiday decor or a fun gift for any train lover.