Ideal STEM electronic toy for kids and adults, Learn to program while playing building blocks. This is one of the most economical and newest building block Smart car kit with gesture sensor. Base in building blocks easy to install and expand, Programmable and fully functional The Gesture Control Smart Robot Car is developed with ADXL335( 3-axis accelerometer and 3-axis gyroscope sensor) , CH340 nano main control board,Motor driver board,Wireless Transceiver Module, and Expanding board. The starter kit is based on wireless communication, the gesture data is transmitted to the smart car via an RF link (RF transmitter receiver).(Not including the battery) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store