Four cylinders Engine, Clutch, Gear Box, Differential, Rear axle with wheel brakes, radiator, Fuel tank, etc. The basic principles of operation of a car are clearly demonstrated by this convenient size open construction model. The chassis is consisting of Front axle with wheels, Steering, Every part is sturdily built to ensure dependable, service. Pistons of the engine move up and down, cam shaft connected by. Gears opens all closes the intake and exhaust valves of each cylinder in proper sequence, Bulb flash to show instant firing, order.