[@Kalas] [@olcharlieboi]

I think the boxes without the explosions would be a powerful enough Quirk on it's own. If you just think of creative enough ways to use them, they could be very strong.

Also, about the recommendations, [url=http://bokunoheroacademia.wikia.com/wiki/Shouto_Todoroki]Shoto[/url] and [url=http://bokunoheroacademia.wikia.com/wiki/Momo_Yaoyorozu]Momo[/url] entered through recommendations, and as they showed in season 2 of the anime, 
[hider=Spoiler alert for season 2!]
Shoto said he never had to encounter any of the robots in the entrance exam, meaning he never did it.
[/hider]