VTech Go! Go! Smart Wheels - Construction Vehicles 2-pack The set comes in a pack of 2: Go! Go! Smart Wheels Cement Mixer and Go! Go! Smart Wheels Bulldozer Perfectly sized for little hands. Teaches the letter of the vehicles name, and more through pretend play Light-up driver button activates learning, music and sounds Each push toy responds electronically to over 50 SmartPoint locations on all Go! Go! Smart Wheels Playsets Includes 3 sing-along songs and over 40 unique educational phrases and sounds in every vehicle. Each push toy vehicle operates on 2 AAA batteries that are included; automatic power-off saves batteries