LeapFrog LeapTV Blaze and the Monster Machines Educational, Active Video Game STEM skills seamlessly blend with active gameplay to race into stunt track victory with Blaze and AJ. Features 15 challenges and Race A Friend activity. For 1-2 players, ages 3 to 5 years. Teaches number recognition, physical science, simple machines and problem solving. Works with LeapTV video gaming system. Internet connection may be required for programming update. Multiplayer feature requires two controllers.