The MEGA2560 complete starter kit with more than 200pcs components, premium quality for Arduino kit,PDF tutorial in the CD (more than 35 lessons),LCD1602 module and GY-521 sensor module with pin header ( no need to solder by yourself),Nice package with clear listing and surprise including a nice small box to keep the widget such as LED , IC , buttons , diodes ,etc,We have always cared about the customer experience and improve the product function details