1、FOR BEGINNERS: The development board kit is designed for beginners in the for R3 learning suite to help students quickly master the basics and maker skills 2、INSPIRE CREATIVITY: The development board basic kit feature for Scratch maker education to make learning more fun and stimulate creativity and imagination 3、ACCURATE SENSING: The development board starter kit is equipped with a wealth of sensors to support a variety of hands on projects, giving students a comprehensive understanding of the world of electronic programming 4、APPLICABLE SCENARIO: Development board beginner kit is widely used and can be applied to places such as schools, graduate students and families 5、STABLE MATERIAL: The software engineer development board kit is made of excellent ABS plastic material with high stability and durability, an ideal educational tool Item Type: Development Board Starter Kit Material: ABS plastic Remote Control Battery: Battery Type: 1 x 3V CR2025 Button Battery Battery Model: CR2025 Battery Capacity: 140mAh Battery Snap Battery: Battery Type: 1 x 9V 6F22 Type Battery Model: 6F22 Type Battery Capacity: 200mAh 1 x For R3 Mainboard 1 x Stepper Motor Driver Board 1 x Breadboard 1 x Four Digit Numeral Tube1 x One Digit Numeral Tube 4 x Buttons 1 x Remote Controller 1 x Temperature Humidity Module 1 x Potentiometer 1 x L293D Chip 1 x Passive Buzzer 1 x Active Buzzer 1 x Fan Blade 1 x Stepper Motor 1 x 9V Battery 1 x Battery Clip 1 x USB Cable 20 x Jump Wires 30 x Breadboard Wires 2 x Yellow Key Caps 2 x Red Key Caps 10 x 10M Resistor 10 x 1M Resistor 10 x 100M Resistor 10 x 330Ω Resistor 10 x 220Ω Resistor10 x 1K Resistance 10 x 560Ω Resistance 10 x 4.7K Resistance 10 x Green LED Light 10 x Blue LED Light 10 x Red LED Light 10 x Yellow LED Light 10 x White LED Light 1 x RGB Full Color 5 x Triode 1 x Infrared Receiver 2 x Flame Sensor 2 x Thermistor 2 x Photoresistor 2 x Ball Switch 1 x Motor 1 x Plastic Box