Jacksonville Jaguars Riddell NFL Replica Revolution Mini Helmet. Featuring the most significant design change in football helmets in over twenty years, Riddell's Replica Revolution mini helmets are a unique addition to our Mini Helmet collection. Revolution style helmets represent the shape of things to come on football fields everywhere. Riddell's Revolution mini helmets are reproductions of our full size Revolution helmets. Revolution Mini helmets are affordable, take up very little space, and showcase an autograph like nothing else! Once you start your collection you'll be hooked!