LEGO Technic 9398 Rock Crawler by LEGO Technic 2 models in 1! Building instructions for 4x4 Crawler included; Download instructions to rebuild into a 4x4 off-road truck at technic.lego.com Features motorized 4-wheel steering and 4-wheel drive, extreme suspension, opening doors and top section Includes 2 LEGO Power Functions L-motors, servo motor, battery box, remote control and infrared receiver