Toddlers will love hearing new words as they make friends with Ben the Bulldozer, Doug the Dump Truck and Tony the Tow Truck Each vehicle has a mechanical part that moves for fine-motor development Press the light-up windshield on each vehicle to hear phrases, songs, melodies, and the letters "B", "D" and "T" Drive these vehicles on Go! Go! Smart Wheels playsets (sold separately) with SmartPoint technology and they respond with unique phrases and sounds Intended for ages 1-5 years; each car requires 2 AAA batteries; batteries included for demo purposes only; new batteries recommended for regular use Get to work playing with the Go! Go! Smart Wheels Construction Vehicle Pack. Three construction vehicles include Ben the Bulldozer, Doug the Dump Truck and Tony the Tow Truck. Friendly light-up windshield buttons play phrases, three sing-along songs and six melodies each. Learn about the letters "B", "D" and "T" through imaginative play with Ben, Doug and Tony. A mechanical button on each vehicle encourages fine motor skills through button pressing. Push the vehicles around to trigger fun role-play sound effects. Take this construction trio to a job site on Go! Go! Smart Wheels playsets (sold separately) and discover more phrases, songs, sounds and lights as they race over the SmartPoint locations. Intended for ages 1-5 years. Each vehicle requires 2 AAA batteries. Batteries included for demo purposes only. New batteries recommended for regular use.