Remote control cars are suitable for children from four to ten years. I recommend not the big cars, but the smaller ones, because these "Monster Trucks" can be really dangerous.
The age range for rc tanks are according to which rc tank you would like to buy. Most of the rc tanks that I have seen are for children six years old and older.
between age 5 and 15
That is a question that really depends on the kid you're talking about. Depending on motorical skills and enthusiasm of a kid, there can be really in difference in how a kid can handle RC toys.
The ages best suited for RC cars are 6 and up. They have a good variety at Toys 'R' Us. For example, "Fast Lane Bigfoot Ragin' Arena Log Smash Accessory Set" is a good option, built for children aged 6 and up.
Some different models of RC Cars for sale at Hobbtron are: Nitro RC Cars, Electric RC Cars, Drift RC Cars, RC Car Bundles, Fast RC Cars, Brushless RC Cars, Mini RC Cars, Remote control cars, Radio control cars.
No the RC dump truck is not an age-appropriate gift for a 3-year-old. There are several small parts and takes someone with patience and a steady hand to assemble it.
You didn't mention how old your son is, which can be important in choosing age-specific RC cars. Air Hogs is a brand good for the over-12 crowd, while Hot Wheels and Maisto RC cars are popular for ages 8-15.
You can purchase Electric RC Cars online at Hobby Tron. They have many to choose from including - Nitro RC Cars, Fast RC Cars and Cheap RC Cars. Raden Tech also sells RC Cars including Collectible Licensed RC Cars.
RC helicopters vary in age range from model to model. Most age ranges can be found on the product box itself, but you can also see the age range the product is recommended for on websites with reviews, such as Amazon and Ebay.
There are some RC cars that are geared towards kids as young as 4, others that are geared towards 8 and up, it just depends on the type of RC cars that you are looking at getting and how old your son actually is.
Remote controlled sailboats are safe for children; however, adult supervision is recommended nonetheless. Some rc sailboats do have small moving parts, so these are not recommended for children under the age of three.
You can buy RC drift cars at the website called KYOSHO, they have the best cars in the market! You can find excellent quality cars there. The RC drift cars are not just a "toy" they are really expensive.