Lionel trains has different scales, but they are best known for O scale trains. O scale is 1:48, which is twice as large as ‘HO’ scale (half of ‘O’). Lionel G-gauge scale train set is plastic made while the O-gauge scale train is made of metal. O-gauge train has more accurate details than the G-gauge train, and the price is much more higher.
Lionel O Gauge Train Sets are often given as gifts on holidays and can easily become a family heirloom over time. You can extend the track, or add trestles, bridges, scenery to the train sets.