1. A detailed Tutorial/guidebook(PDF) with 20 lessons is provided. 2. It is easy for you to learn Arduino and programming. 3. Quick-responding technical support for free. 4. It is very beautiful, and it is a wonderful gift for children. 5. Arduino UNO R3 is included. Lessons: About Arduino, About Processing, Lesson 1- Blinking LED, Lesson 2- Controlling an LED with a button, Lesson 3- LED Flowing Lights, Lesson 4- Tilt Switch, Lesson 5- Breathing LED, Lesson 6- Active Buzzer, Lesson 7- Controlling Relay, Lesson 8- Controlling a RGB LED by PWM, Lesson 9- 7-segment display, Lesson 10- Serial Port, Lesson 11- LCD1602, Lesson 12- Photoresistor, Lesson 13- Using a thermistor to measure the temperature, Lesson 14- DC motor, Lesson 15- Controlling Servo motor, Lesson 16- ultrasonic distance sensor, Lesson 17- Control a servo with ultrasonic distance sensor, Lesson 18- Move a cat, Lesson 19- Control the brightness of the photo with the photoresistor, Lesson 20- The Brick Games.