Feature:1. Compatible with for R3: Specifically designed for use with for R3 development boards, ensuring seamless integration and compatibility.2. Diverse Electronic Components: This development board kit includes a variety of electronic elements to meet the needs of users for various projects and experiments.3. Convenient Breadboard Included: The breadboard provided makes it easy to connect and test circuits, facilitating experimentation and prototyping.4. LED Indicator Lights: Equipped with LED indicator lights for easy observation of the working status, enhancing user experience and troubleshooting capabilities.5. Comprehensive Starter Set: Perfect for beginners and electronic enthusiasts, this well rounded kit offers everything needed to kickstart exploration and learning in the world of electronics.Specification:Item Type: for R3 Development Board KitMaterial: ABS PlasticBattery Clip Battery:Battery Type: 9V 6F22 Battery x 1(without)Battery Model: 6F22Battery Box Battery:Battery Type: 1.5V AA Battery x 6(without)Battery Model: AA BatteryRemote Control Battery:Battery Type: 3V CR1220 Coin Cell Battery x 1Battery Model: CR1220 Coin Cell BatteryBattery Capacity: 40mAh (Built in Battery).Package List:1 x Mainboard1 x Pin Header1 x Breadboard1 x 4 Digit Display2 x 1 Digit Display4 x Button4 x Blue Button Hat1 x Battery Box1 x Potentiometer1 x RGB Module30 x Jumper Wire1 x Infrared Receiver1 x USB Data Cable1 x Remote Control1 x LM35 Temperature Sensor10 x Red LED10 x Green LED10 x Blue LED1 x Nut1 x Washer1 x Flame Sensor2 x Tilt Switch3 x Light Dependent Resistors1 x Component Box1 x 8x8 Dot Display1 x 74HC595 Chip10 x 330 Resistor10 x 220 Resistor10 x 10K Resistor10 x 1K Resistor1 x Battery Clip1 x Plastic Box