Friendly noted: For full assembly robot. Please buy 2 unit only per order to avoid high shipping cost. Unless you did not mind of shipping cost. Arduino Mobile Robot (ArMoR)-CESTBOT was designed for STEAM Education (Mechatronics) suitable for student Form 2 and Form 3 especially for "Reka Bentuk Teknologi " (RBT) subject to get involve in Mechatronic elementry. This package innovated with new simplified custom C language library by CEST Solution to make an easy learning process for kids. What function you will learn in our simplified custom library (CESTBOT_Library) coding????? - Line Sensor Auto Calibration Coding - Ultrasonic Sensor Auto Calibration Coding - Basic Movement Coding - Line Follower Coding - Obstacle Avoidance Coding - Android Apps Control Coding NO MORE COMPLEX C PROGRAMMING CODING!!!!!!!!! YEAHHHH below 15 lines for every applications. Code by: Malaysia Team Coach, 2nd Rnner up Winner RobotWorld 2016, Seoul South Korea. Saeon Autonomous System Challenge. Package Included (Fully Assembly): => SIAP PASANG PERCUMA PEMASANGAN 1 - 2WD Mobile Robot Platform 2 - Arduino UNO + USB Cable 3 - Motor Shield (4 Channel DC / 2 Ch Stepper / 2 Ch Servo) 4 - Line Sensor x2 5 - Ultrasonic Sensor 6 - Ultrasonic Stand 7 - Bluetooth Module HC05/06 8 - Buzzer Module 9 - Battery 18650 4800mWh 3.7V x2 10 - Battery Casing 11 - Battery Charger 12 - Battery Charger Socket Europe Conversion 13 - Female to Female Jumper Wire 14 - Manual book printed full color (Bahasa Malaysia) 15 - Packaging Box