Control the speed of your LEGO' Power Functions motors! Take command of your LEGO models with this remote control. Add a LEGO Power Functions IR Receiver, battery box and motors (sold separately) to your LEGO creations, and then use this handy remote control to control the speed! Features 4 RC channels, 2 stop button and 2 direction control switches! Use the jog wheels to control your motor speed! Requires 3 AAA (1.5v) batteries, not included.