Just get the traxxas velenion system but try not to get china stuff because they will break easily and will cost you more in the long run. also probably want to get a lipo
The $300 is (might) be the basic 4wd version. if 6 of you are going to use them at the same time then you should get 2.4ghz to not interfere with one another. if you want to go faster then you probably have to get a lipo or a bigger and better battery then your friends. and if they use the stock...
