The set comes in a pack of 3: Go! Go! Smart Wheels Truck?? Go! Go! Smart Wheels Tractor and Go! Go! Smart Wheels Tow Truck</br>Perfectly sized for little hands. Teaches the letter of the vehicle's name?? and more through pretend play</br>Light-up driver button activates learning?? music and sounds</br>Each vehicle responds electronically to over 50 SmartPoint locations on all Go! Go! Smart Wheels Playsets</br>Includes 3 sing-along