Paul Collier:
If I have understood Magued correctly a snap box is some kind of "mobile - easy to bring with you" 3x3x3 netted little box. Not sure of the size really, but something like that. And if you have one you can either shoot at obstacles and the netting will collect the balls - or if you have 2-3-4- etc you will be able to build them togheter and play 1on1 i.e..
This is not to be taken as something 100% but that was what I was told last winter - sure not that much has changed since then - if anything
.
I think
www.reball.se is up, but not completed.