Feature: 1. BEGINNER FRIENDLY LEARNING KIT: Learning kit, perfect for development board beginners, making it easy and quick to get started with programming. 2. FOR SCRATCH PROGRAMMING SUPPORT: This starter kit includes support for Scratch programming, transforming coding into a simple and enjoyable experience. 3. IOT MAKER PROGRAMMING DEVELOPMENT: Unleash creativity with endless possibilities for smart projects in the realm of Internet of Things development. 4. RICH SENSOR AND MODULE: Comes equipped with a variety of sensors and modules to meet diverse programming needs. 5. FOR R3 COMPATIBILITY: Powerful and expandable, this kit is compatible with for R3 mainboard for enhanced functionality and versatility. Specification: Item Type: for R3 Development Board Kit Material: ABS plastic Matching Batteries: Battery Type: 9V 1604D 6F22 type x 1(built in) Battery Model: 1604D 6F22 type Battery Capacity: 300mAh Remote Control Battery: Battery Type: 3V CR1220 button cell battery x 1(built in) Battery Model: CR1220 button cell battery Battery Capacity: 40mAh (shipped with built in battery) . Package List: 1 x Power Module 1 x Ultrasonic Sensor Module 1 x 5V Relay 1 x 11 Module 1 x Remote Controller 1 x Fan Blade 1 x 140 Motor with Wire 1 x Official Version Mainboard 1 x 2003 Module 1 x CD 1 x 10K Potentiometer 1 x Extension Board 5 x 5MM Red LED 5 x 5MM Transparent LED 5 x 5MM Yellow LED 5 x 5MM Blue LED 5 x 5MM White LED 10 x 1K Resistor 10 x 2K Resistor 10 x 5.1K Resistor 10 x 10K Resistor 10 x 10R Resistor 10 x 100K Resistor 10 x 100R Resistor 10 x 220R Resistor 10 x 330R Resistor 10 x 1M Resistor 1 x RGB LED Light 1 x Thermistor 103 Resistor 2 x 1N4007 Rectifier Diode 2 x LDR 1 x Vibration Switch 520D 2 x LM35DZ Temperature Sensor 1 x Active Buzzer 1 x Passive Buzzer 5 x 6 x 6 x 6.5 Push Button 1 x 1 Digit LED Display 1 x 4 Digit LED Display 1 x 74HC595N 1 x L293D Motor 1 x Battery Clip 1 x 9V Battery 1 x Breadboard Jumper Wires 1 x 830 Point Breadboard 1 x Remote Control Stick 1 x Cable Tie 1 x Jump Wires Male to Female 1 x SG90 Servo Motor 1 x Motor Drive 1 x 1602 Blue Screen LCD Display 1 x Storage Box