You need a lot of other stuff around the plutonium to make it go bang, but something that would fit in a rolling suitcase or large backpack is totally doable. S

You need a lot of other stuff around the plutonium to make it go bang, but something that would fit in a rolling suitcase or large backpack is totally doable. See also: https://en.m.wikipedia.org/wiki/Special_Atomic_Demolition_Munition https://en.m.wikipedia.org/wiki/Special_Atomic_Demolition_Mu...