<p>[2*M Motors for High-speed] The motor provides strong power. High-speed and medium-torque building block motor power supply kit. Support forward and backward.</p> <p>[Remote Control \u0026 APP Control]There is Bluetooth remote control.Support the technic parts foward \/backward \/left \/right. Reserve swithching betwwen positive and negative. You can also download the APP to control. The remote control needs 2*AAA power supply (not included).</p> <p>[4-Terminal Master]This 4-channel masterFeature with 7.4V Output,500MA battery capacity and 4 motor output ports.</p> <p>[Adapt to Most Building Block Cars]The whole set can basically adapt to most type of building block car in the market.</p> <p>[Safety and Learning for kids]Made of high-quality ABS plastic materials.By assembling building blocks, children can exercise their hand-brain coordination ability, stimulate their imagination, and make them enjoy the joy of doing things.</p> <p>Colour: picture color</p> <p>Material: ABS plastic</p> <p>Package Contents:</p> <p>2 * Meduim Moter</p> <p>1 * Remote control</p> <p>1 * Lithium battery box</p> <p>1 * USB charging cable (the color of the data cable is random, don't accept the specified color)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>