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, UNO R4, MEGA 2560 R3, NANO.

The Bin contains items, which can be find in different Elegoo kits. However it was designed to cover "The Most Complete" and "37-in-1 Sensors" product familiy.