There are quite a few places to buy remote control cars. You can buy them online, from a retail store, from a hobby store, or even at a flea market or yard sale. There are lots of places you can buy remote control cars.
Remote control cars can be bought just about anywhere that sells toys and hobby items. The best place to start is at your local hobby store, but if you can’t find what you’re looking for there, you can always go to an online retailer instead.