Kid Galaxy Mega Motorized iRock & iRoll Dump Truck. Toddler Light and Sound Effects Construction Toy Rocking Fun! Push large button and this truck: Dances back and forth; Puts on a light show; and Plays the song Best Day of My Life by American Authors Plus 4 More Buttons: 1) Start the engine; 2) Honk the horn; 3) Shout out; 4) Take off forward in a straight line Play Together: Send the truck back and forth to each other; Races up to 30 feet Includes Batteries! - Takes 3 AA batteries For toddlers and kids age 3+; Dimensions: 12.7 x 5.2 x 6 inches