This is the second numbered release in the Super Robot Lifeform Transformers Prime toyline, which is commonly referred to as "Arms Micron" in the USA. This is the Japanese release of the deluxe Bumblebee mold and instead of a weapon, it includes a transforming Arms Micron model kit with stickers and must be assembled.
Bumblebee comes with an aptly named Arms Micron named B.B.
This release includes a sticker sheet and less paint apps for owner customization.
Comes new in sealed box.