1、More Than 200 Components: The complete starter kit contains more than 200 components, high quality and compatible with IDE 2、Free PDF Tutorial: With the free PDF tutorial (over 35 lessons) in the CD, to show you how to use, you can use with confidence 3、With Header: This complete starter kit has LCD1602 module with header (non need to solder yourself) 4、Beautiful Packaging: Beautiful packaging, a small box, used to place small parts such as LEDs, ICs, buttons, diodes, etc. 5、Value Starter Kit: This is the most complete starter kit, the value starter kit, and easy to use, can meet your needs Item Type: Complete Ultimate Starter Kit Material: PCB+Metal Supporting Battery: 1604D 6E22 9V Dry Battery 500mAh (Supporting) Remote Control Battery: CR2025 2.0V 170mAh (Built in) Clock Module Battery: CR20232 3.0V 240mAh (Built in) 1 x Power Supply Adapter 1 x Relay 1 x Tutorial CD 1 x USB Cable 1 x 1 Digit Digital Tube 1 x Remote Control (with CR2025 battery) 2 x 74HC595 Chip 2 x 10UF 50V Capacitor 2 x 100UF 50V Capacitor 2 x Potentiometer 2 x Buzzer 2 x Photoresistor 2 x 10pin Jump Wire 1 x 4 Digit Digital Tube 5 x 104PF Ceramic Capacitor 5 x 22PF Ceramic  Capacitor 5 x Diode 5 x Button Switch 1 x 9 V Dry Battery 10 x PN222 1 x 64PIN Jump Wire 1 x DHT-11 Temperature Humidity Sensor 1 x LCD1602 Module 1 x Dot Matrix Module 9 (with a Line) 1 x R3 Development Board 1 x IC Sensor Module Kit (1 Module + 1 IC Card + 1 Access control Card + 2 Pin Headers) 1 x RGB Light 1 x Key Module 1 x Stepper Motor 1 x Stepper Drive Module 1 x Joystick Module 1 x Ultrasonic Ranging Module 1 x Battery Connection Cable 1 x Capacitor 1 x Power Supply Module 1 x Servo Kit (1 Servo + 3 Screws + 3 Fan Blades) 25 x LED (5 Colours for Each 5) 1 x Infrared Receiver Module 2 x Nut 2 x Washer 1 x Motor 1 x Breadboard 1 x Breadboard Expansion Board (with a Small Breadboard) 1 x Human Infrared Sensor Module 1 x Fan Blades 1 x Sound Module 1 x Clock Module (with CR2032 Battery) 1 x Water Level Sensor Module 1 x gyroscope 6DOF module (with 2 Pin Headers) 1 x Rotary Encoder Module 100 x Resistance (10 kinds of 10 Each: 10Ω 100Ω 220Ω 330Ω 1KΩ 2kΩ 5.1KΩ 10KΩ 100kΩ 1MΩ) 1 x Storage Box