The Lionel The POLAR EXPRESS Ready To Play Observation Car Train RTP is a pre-built model train replica of the popular Polar Express. It features a white color and is made of plastic, with a scale of 1:48. This toy train is designed for children ages 4 and up, and comes with an analog control system. The commuter car is part of the Ready to Play rail system, making it easy for kids to enjoy playing with their new train set.