ITEM NAME:2X(Mega 2560 R3 Mcu Development Board Electronic Building Blocks Send Usb CB7T6) 2X(Mega 2560 R3 Mcu Development Board Electronic Building Blocks Send Usb CB7T6) 2X(Type:MEGA 2560 R3 Blue Main chip:2560 color:blue Material:metal+plastic Package Contents: 1* development board 1* USB cable)