Do they sell rc kit cars?

Yes they do

The best thing and easiest way to fund out to go on there website , I think :) ..... I was there only once and I seen that they have ,yes .

Yes

But do not buy anything from them until they get rid of the r/c car mechanic, he is very rude.

Yes, both ready-to-run(RTR) and also kits You can build yourself. Both Electric, and Gas(Nitro Fuel) powered.

They sell everything