This Compatible with Arduino R3 board starter kit is designed for beginners learning electronics, robotics, and coding. The complete kit includes sensors, motors, LCD display, breadboard, jumper wires, and essential components to support hands on projects. Step by step tutorials guide users through wiring and programming using compatible Arduino IDE, making it ideal for STEM education, school projects, home learning, and DIY electronics practice Box Contains: (1). Kuman development boardx1 (2). USB cable x1 (3). Prototype extension board x1 (4). Mini breadboard x1 (5). 5V stepper motor x1 (6). 2003 stepper motor driver board x1 (7). Red LED x5 (8). Green LED x5 (9). Yellow LED x5 (10). Vibration Sensor x2 (11). Flame sensor x1 (12). DHT11 temperature and humidity sensor x1 (13). Infrared receiver x1 (14). Photoresistor x3 (15). Key cap x 4 (16). Key switch x4 (17). Adjustable potentiometer x1 (18). Passive buzzer (piezo buzzer) x1 (19). Active buzzer (tone generator) x1 (20). Jumper cap x1 (21). Large breadboard x1 (22). Remote Control x 1 (23). 1602 Screen x1 (24). Breadboard module x1 (25). HC-SR04 module x1 (26). Component box x1 (27). DuPont line 1 x10pin (28). Breadboard line(approximately) x30 (29). 8*8 dot matrix x1 (30). One digit eight segment tube x 1 (31). Four digit eight segment tube x1 (32). IC 74HC595 x1 (33). Holder x1 (34). Resistance 5 x 220ohm (35). Resistance 5 x 330ohm (36). Ohm resistance 1K x5 (37). Ohm resistance 10K x5 (38). 40pin pin header 2.54mm x1 (39). Three color LED module x1 (40). Thermistor module x1 (41). Touch sensor x1 (42). CD with tutorialx1 (43). plastic box x1