In many ways, yes. RC Helicopters are designed to mimic real ones, and have many similarities. The shape in general is quite the same, and people are always trying to find new ways to make their RC Helicopter more realistic. Obviously, RC Helicopters are made differently on the inside, but there are still many similarities between RC Helicopters and real helicopters.
It is possible to watch the Indoor RC Helicopters video on youtube as there is a large selection of Indoor RC Helicopter videos on that website. There are also some videos of Indoor RC Helicopters on the metacafe video website.
One can find cheap mini RC helicopters from a range of online stores. One of the best retailers for RC helicopters is HobbyTron which specializes in all things 'remote control'. Other sources of RC helicopters would be Amazon and Tmart.
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The Diamond Force Ultra durable helicopter is the best choice. It is remote control operated, and should last as long as 10 minutes in flight. Your son should be entertained for hours with this model.
Syma offers good RC helicopters for a under $75. They are very good helicopters for your nephew to start off with.
Cheap RC helicopters can be found in Amazon and Ebay. Deal Xtreme also offers significantly cheaper helicopters but there are not many options to choose from.
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RC Mini Helicopters can be purchased at the following retailers: Amazon, eBay, AMainHobbies, Amazon Marketplace, All-Battery, and various hobby shops.
I would think that around $40 is an average cost for rc scale helicopters. You can do a compare and contrast on these through the internet. They tell the best prices.
You can find the Trex RC helicopters at may major retail stores. There are several online retailers that carry them such as www.Amazon.com, www.dinodirect.com and www.ebay.com.
It takes a little bit of practice to be able to fly the RC Scale Helicopters, but they are not too terribly difficult. You can check them out more here. www.heliproz.com/