Originally Posted by beernutz
Haven't used the other one but I did build a homemade side to side balancing board similar to this one:
It is quite a bit more challenging than the Reebok circular type balance board at least for me. I have trouble staying on it for any length of time and don't even try to do stunts on it, however, I have zero skateboarding or snowboarding skilz so someone with those would probably not find it nearly as difficult.
That balance board is what jugglers and circus people often call a rola bola. Those are fun, but rather dangerous. They're not the sort of thing you want to mess around on if you're rehabbing something. But it is good for balance if you hang onto something while you're learning and make sure the board doesn't fly off sideways and hit something (especially someone in the shins).