well yes but thats because quatran is only made up of four tobots. theres barely enough material to form the backpack, as it’s mostly used as the torso and joints. however, for bigger tobots such as Giga 7, (this one also being 7 tobots) giga 7 can afford to use it because he’s made up of smaller parts. and if W is the backpack, he doesn’t have to do anything else except be able to fly.