For one thing, it’s blue, and outside of the short-lived animated series The Real Ghostbusters, who ever heard of a blue proton pack? So one major change was to paint it matte black and age it ...

I remember having the proton pack and blaster toy as a kid ... to get regularly decked out with the packs since the second film. As miserable and torturous as it may have been for Bill Murray ...

For one thing, it’s blue, and outside of the short-lived animated series The Real Ghostbusters, who ever heard of a blue proton pack? So one major change was to paint it matte black and age it ...