VTech Go! Go! Smart Wheels Choo-Choo Train Playset Enhance your child's creativity with Go! Go! Smart educational train playset; kids build their own toy train track and push cars around the track for miles of fun Interactive role-play trainset features include the lift-up gate and switching system; 13 brightly colored interchangeable track pieces included Features VTech SmartPoint technology; 2 SmartPoint locations interact with SmartPoint vehicles to trigger fun phrases, music and sound effects Includes 1 motorized SmartPoint Train that teaches the letter "T" through pretend play; 3 AAA batteries are included for demo, use new batteries for regular use VTech Go! Go! Smart Wheels and Animals track pieces can be connected for max play; a great early learning center for children ages 1 to 5