Depending on the FPS and the thickness of the Styrofoam, possibly, but normally no.
bbs book
You search 'how do you calculate BBS' on google
silver bbs
ExecPC BBS was created in 1983.
The population of BBS Kraftfahrzeugtechnik is 1,200.
BBS Kraftfahrzeugtechnik was created in 1970.
Searchlight BBS was created in 1985.
The Major BBS was created in 1995.
Airsoft bbs are made up of plastic and are 6mm in diameter and are .24 cal, BBs however are metal and are .177 cal (4.5mm)
styrofoam is cool
Unless you are talking about a metal bb gun, no. All bbs are standard unless metal. And yes, big bbs are stronger than small. Learn physics.