Detachable trailer includes a SmartPoint location that interacts with all Toot-Toot Drivers Smartpoint vehicles triggering phrases, music and fun sound effects. The VTech Toot-Toot Drivers Tractor With Trailor carries a bale of straw for even more role-play fun. Press the light-up button or push the tractor to activate 3 sing-along songs and 6 melodies. Requires 2 x AAA batteries (included).