You can buy pre made packs at your required voltage, don't use over 6 volts without using a bec though or you will blow your reciever
also come up with a better team name...
From a first impression, the kit's chassis looks far too weak. I'd make your own chassis from better materials. Most of the parts look suitable though, though I really would recommend upgrading to lipos.
...Tinfoil??
im pretty sure its just a mockup of the shape....... noone is seriously THAT dumb to use tinfoil armor