Lionel Trains The Polar Express LionChief - O-GaugeFor the first time ever in O Gauge, The Polar Express Train Set is available with remote control operation! Fitted with the new LionChief Remote Control system by Lionel, engineer's young and old have complete control over their Polar Express trains by an easy-to-use remote. You'll feel a difference in the smooth operation of the Berkshire locomotive, and hear more realism in the locomotive sounds. In addition to the famous "All Aboard!" announcement of the Polar Express conductor, you'll also get a brand new "Tickets Please" announcement that's only available in the LionChief remote control version of the train set.