Every body want a ferrari for yourself it is one of the best car in the world and it is one of the most expensive in the world.Get one for your kid is a best encourage because it will urge your kid to get one real ferrari some day.This RC car needn't a remote controller you just need connect with your iphone or ipad and download a cool chi app for apple store or android store.So you needn't buy any other AA battery it is very environmental protection.You can buy one to your kid who is beyoned 7age,the car is racing car so the speed is very fast the top speed is 25m/s your boy will really love it so much.