Best Buy
Remote control cars can be found at any store with a toy section available. Or they could be found in a toy store itself. They all offer many different types of remote control cars.
could try eBay
eBay or an RC store
Remote control tanks for kids can be purchased at large toy stores. A great place to get remote control tanks is a hobby store. A hobby store will also carry supplies for remote control tanks.
One can fix the transmitter of a remote control car by going to the store where the remote control car was originally purchased, in case said store has a warranty policy.
You can always use a store-bought remote control, but you may lose some features of the cable remote.
There are a variety of places that one can purchase a remote control robot. RadioShack is one location that offers sales on remote control robots. Another place where one could purchase a remote control robot is Walmart.
You can find a Disney Remote Control Plane for your son online at the Disney online Store. The url link to this online store that will lead you directly to the remote control planes is http://disneystore.com
Yes in any hardware store there is a universal remote that could be use in any type of TV. You will also buy batteries depending on which type the universal remote use.
There isn't any Remote Controllers with a GPS locator but I have found a universal GPS locator that you could attach to your remote control if you needed to. The Zoombak Advanced A-GPS universal locator can be found at their main website/online store.
One can purchase a Canon remote control at an electronics store, such as Best Buy. Canon remote controls can also be found in the electronics section of a supermarket.
Remote Controls can be purchases at most store like walmart, kmart, best buy etc. You will probably just have to buy a universal remote control and then program it for your panasonic.