This DIY Transparent Motor Smart Robot Car Chassis Kit comes with quality product. The kit is easy to assemble/disassemble. Now youcan attach the sensors  and program with EBOT Blockley

1. Simple mechanical structure, installation is very easy.
2. With Ebot controller board.
3. Contains  sultrasonic sensor &USB cable for programming,
4. The battery box can hold four AA batteries,

5.Two DC motors.