1、High Performance Hardware: This development board basic starter kit adopts high performance hardware to ensure stable operation, high reliability and more powerful functions for long time use. 2、Multiple Sensors: This programming electronics project development board kit has multiple sensors, which can realize multiple functions at the same time, you can choose to use them according to your needs. 3、Easy To Carry: This development board learning kit comes with a storage box, which is small in size and light in weight, making it very easy to carry and use, and can be used in a variety of situations. 4、Excellent ABS Plastic Material: This development board starter kit is made of excellent ABS plastic material, which is sturdy and abrasion resistant, not easy to be damaged, and has a long service life. 5、Wide Application: This electronic components instruction kit has a wide range of applications and can be used for programming learning, crafting, teaching experiments, etc. It is an ideal learning tool to enhance programming skills and creativity. Item Type: Development Board Kit Material: ABS Plastic Remote Controller Battery: Battery Type: 3V CR1220 Coin Cell Battery x 1 (Included) Battery Model: CR 1220 Coin Cell Battery Battery Capacity: 40mAh Remote Controller Battery Clip Battery: Battery Type: 9V 6F22 Battery x 1 (Not Included) Battery Model: 6F22 1 x R3 Mainboard 1 x USB Cable 30 x Jump Wires 1 x Breadboard 16 x LED (Yellow x 5, Green x 5, Red x 5, White x 1) 18 x Resistors (220Ω x 5, 1K x 5, 10K x 5, Light Dependent x 3) 10 x Female to Male Jump Wires 1 x Potentiometer 1 x 74HC595 Chip 1 x Infrared Receiver 2 x Sensor (LM35 Temperature x 1, Flame x 1) 2 x Tilt Ball Switches 4 x Buttons 4 x Green Button Caps 2 x Buzzer (Active x 1, Passive x 1) 1 x Remote Control 1 x 4 Digits Digital Tube 1 x 1 Bit Digital Tube 1 x Stepper Motor Driver Board 1 x Stepper Motor 1 x Servo 1 x 1602 LCD Display 9 x Modules (Temperature and Humidity x 1, RFID x 1, Sound x 1, Relay x 1, Clock x 1, RGB 3 Color x 1, Human Infrared Sensor x 1, Water Level Test x 1, 8x8 Dot Array x 1) 1 x 4x4 Keyboard 1 x Battery Clip 1 x LCD 1602 Adapter Board 1 x Ultrasonic Sensor 1 x Rocker 1 x Pin 1 x Resistor Card 1 x Plastic Box