Feature: 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. Specification: 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. Package List: 1 x R3 Mainboard1 x USB Cable30 x Jump Wires1 x Breadboard16 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 Wires1 x Potentiometer1 x 74HC595 Chip1 x Infrared Receiver2 x Sensor (LM35 Temperature x 1, Flame x 1)2 x Tilt Ball Switches4 x Buttons4 x Green Button Caps2 x Buzzer (Active x 1, Passive x 1)1 x Remote Control1 x 4 Digits Digital Tube1 x 1 Bit Digital Tube1 x Stepper Motor Driver Board1 x Stepper Motor1 x Servo1 x 1602 LCD Display9 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 Keyboard1 x Battery Clip1 x LCD 1602 Adapter Board1 x Ultrasonic Sensor1 x Rocker1 x Pin1 x Resistor Card1 x Plastic Box