"Expert Built" factory assembled Tamiya kits! All the superb Tamiya quality in a ready to go radio control model. Excellent performance and finish, factory installed radio and servos, plus all the features of Tamiya kits. Upgrade with standard Tamiya parts or customise your model with aftermarket parts, just like the kit built models. 1:10 scale gives a good size vehicle - approximately 15" (38cm) - with good road holding or off road performance. There are six different radio frequencies allowing simultaneous racing of up to six cars and the digital proportional control from the wheel and trigger type transmitter gives smooth operation. All of the XB range come complete with 7.2v battery pack & charger required to power the car.