super train! my son is a fan train since childhood, we had different trains: model, train and train large area, but each time it was an adult replace the rails and gently replace the train wheels to get it going . therewith; My 5 year old son alone climbed the rails and replace at will the loco without needing help and like any playmobil, it's solid, it's certainly the price playmobil too! but I'm sure he will have a long future as other ...