It is a small, smart, stylish 4-car train car with a size of about 94 mm. N700 Series It is an all-in-one set that can be played immediately with the 3000s Shinkansen bullet train, advance dedicated stop rail, cross point rail, guide rail, counter station, overhead pole. 4 Both can be connected and disconnected. Built-in normal motor, switchable forward and backward possible. It is power for the second time when moving forward and the third time in reverse. One AAA dry battery is used. Electric powered one side of the rail of the pla rail. It is possible to make a misunderstanding run by arranging two cars on a rail of a pla rail! (From Amazon.co.jp)