RC airplanes are suitable for many different ages. Usually they are designed for children above 12 or 13 years old. With adult supervision, a children eight years old could operate one.
Some gas powered remote control airplanes are suitable for six or seven year old children, however, many rc airplanes are advisable for ages eight and up.
Foam rc airplanes are a wonderful hobby entailing the building and flying of model airplanes that are constructed out of a lightweight but durable foam. More information on this hobby can be found at www.rcfoamairplanes.com.
Suitable in aviation is green diesel. Green diesel is used in airplanes.
I don't really know anything about rc airplanes, but there is lots of information online or in catalogs. Here's a link to an rc apriplane dealer: http://www.hobbytron.com/RCAirplanes.html
Information on RC airplanes is available in many books in book stores, libraries, and hobby stores. There are also many websites that have a lot of information on RC airplanes.
RTF airplanes are pre-assembled RC airplanes built to eliminate assembly time. This option is typically used for younger children or those uninterested in the construction of the planes themselves.
RC model airplanes are just one of the styles and various brands of radio controlled models. For a selection of RC flying machines complete with pictures check out http://www.nitroplanes.com for RC model airplanes, jets and helicopters.
RC airplane parts tend to be used in specific hobby airplanes or in only a few hobby airplanes that it will fit in. There are some parts that are interchangeable among other planes but that is the exception, not the rule.
ebay
You can purchase model RC RFT airplanes online by visiting http://searchrc.horizonhobby.com. The prices for these plains range from $75.00 and up. Enjoy your model.
A radio controlled car would be more than suitable for him. Radio controlled cars are suitable for ages anywhere from four to ninety four. Just be sure to choose a more durable model that is less likely to get broken.
ebay has a large selection of used rc airplanes with prices starting at $33 and going up to $1,300. The site can be found here: http://shop.ebay.com/i.html?_nkw=used+rc+airplanes