About this item: 
Free PDF tutorial(more than 22 lessons) and clear listing in a nice package 
The most economical kit based on Arduino platform to starting learning electronics for those beginners who are interested. 
Lcd1602 module with pin header (not need to be soldered by yourself) 
This is the upgraded starter kits with power supply module, 9V battery with dc 
High quality kit with UNO board, compatible with Arduino UNO R3, MEGA 2560 R3, NANO.