UniBlock Remote Control Building Block Car - 170 pc BUILD YOUR OWN CAR. Buildable Jeep kit comes complete with all the bricks, stickers, instructions, infrared remote and receiver. The car feeds on 3 AA batteries; the remote requires 3 AAA batteries. The car base has a wheel alignment feature unique for building brick RC cars. DRIVE IN ANY DIRECTION. Point your remote at the car and zoom forward, backward, forward right, forward left, backward right, backward left, and stop. RACE UP TO THREE RC CARS! Each remote has three channels which permits simultaneous play for three different people when each one controls his or her vehicle on an individual channel with their separate remote. This feature allows racing, competition, and creative play. UNIVERSALLY COMPATIBLE WITH OTHER BRICK BRANDS. The centerpiece of every kit is a remotely controllable base and a remote control, both of which are battery operated (batteries are not included). The bricks, base, and the remote control are 100% compatible with ALL major brands of building bricks and proven to work with all licensed LEGO products including LEGO Classic, LEGO Juniors, LEGO Technic, Laser Pegs, and Mega Bloks small block types.