Lionel Polar Express Little Lines Railroad Train Set Lionel Lionel Train Sets Lionel Little Lines brings the rich tradition of Lionel to young children ages 2 and a half and up. Snaptogether track and a simple remote controller for forward and reverse movement make it easy for little hands to operate. Authentic train details and realistic sounds make it a classic Lionel product.. . All aboard the Polar Express!. . A heartwarming story about the power of belief, Chris Van Allsburgs The Polar Express has touched the hearts of millions of reader and filmgoer