If its all in working order , it is probably worth it .
Still budget a little for each car for things that dont stop the car working , but might need attention .
Things like bearings , gears , slipper clutch pads , leaky shocks , etc .
Are they the TQi bluetooth transmitters in the pic ( pic is blurry when I enlarge it ) ?
TSM receiver would be a bonus .
Keep the 3S for wide open spaces like a baseball field , the Rustler will be a rocket at full speed !