This 2819 piece remote control technical constructions truck has 4 electric motors, 1 Bluetooth battery pack, and a remote. Also has a pneumatic system to run the boom and grabber. Fully remote control functions like in real life for operation of boom, truck, and dump box. SPECIFICATIONS 2819 Pieces 1 Medium Heavy Duty Motor 2 Large Heavy Duty Motor 1 Servo Motor 1 2.4ghz Bluetooth lithium-ion battery pack 1 2.4ghz remote control 1 App for phone Remote Steering and fwd/back motion Remote operated dump box Remote operated outriggers, manual down Pneumatic boom operation up and down with own controls on the truck like in real life. Pneumatic boom crane has rotation, in and out. Grab arm can swivel 360 and open and close. Cab doors open and close The truck Cab tilts to reveal motor with rotating pistons Detailed Paper Instructions 53cm x 17cm x 40cm We love building bricks, we really do but some models are just more fun to play with. This construction boom truck is one of those models.The boom will rotate, raise up and down as well as extend. The bucket/grabber will rotate as well and open and close. These functions are all done pneumatically by controls on the side of the truck.The truck itself has 4 wheel steering as well as fwd/back, left, and right movement.The truck's box also raises and lowers with the remote.You can use the supplied 2.4ghz remote or download the app and use your phone to operate the truck. Click Image to be taken to our youtube video.