Manufatures who create rc trucks normally use plastic or a synthetic material for the body. The frame is usually a cheaper metal or a special light weight material. The circuit boards are plastic and silicon material with copper, or silver lined wires.
what materials were used to make coal trucks
So that the materials (chemicals) used to power our lives (cars, trucks, Homes, Businesses) will be made.
If you buy a nitro RC truck, the prices start at $169.99 if you get them at Hobby-eStore. Looking at the prices, some RC trucks are on sale for less than that. http://www.hobby-estore.com/RC-Trucks-s/1323.htm
a fleet of trucks
The deck of the skateboard was plastic and could not hold a lot of weight on it. The trucks on the skateboard were poorly made too! Now they have wood decks and holds lots of weight! The trucks on the board are now made of better materials!
100 mph
RC Monster Jam trucks is a very popular toy. It is operated on battery power. There is no speed specified on truck but one who has played with the RC Monster Jam trucks can fairly assumes that it can move at speed on 12-15 miles per hour.
Traxxas R/C cars and trucks preferebly nitro 4X4 TRUCKS or the Traxxas nitro sport.
There are on road and off road models of nitro RC trucks. Choose an off road model for dirt roads. More information is available at http://www.rccartalk.com/nitro-rc-cars.html
To get reports on RC trucks, I would check Amazon.com. Amazon has reviews on all sorts of products. Another website is hobbylobby.com. One of those should help.
Traxxas, but the prices are HUGE up to 900
wood,metal,wheels,and the trucks