Your Child Will Be Able To Create And Connect With The 4 In 1 Construction Sets – On The Go. Make Up To Four Vehicles From Just One Set And All Parts Are Interchangeable. Included Are Instructions To Build A Helicopter, Race Car, Airplane, And Fire Truck. Go Solo Or Play With Friends – Either Way, This Activity Is Motorized For Kids To Explore Movement And Enjoy A Sense Of Accomplishment. Requires One Aa Battery (Not Included). Ages 3+ Years.