Train ,the popular model are as follow: 4 seat for 4 kids, 4 seat for 8 kids,4 seat for 14 kids and the trackless train. kids like the train very much,all with music. and it is a neccessory project for the amusement park also.no need big place , 10x10 m space is enough. and the trackless train is easy to move ,for the mobile amusement park,it is the best choise .Any inquiry or questions you have,please feel free to contact us.we will give you our best service.