Yes. Most hedgehogs enjoy exercise balls, just make sure it's the right size.
In side its mouth
The dollor store
There is enough air inside to last you an hour or two comfortably.
Exercise balls are really good for core strengthening, but there are a whole list of exercises you can do them with. Go here: http://www.exerciseballworkouts.net/
I have those too, and i really want to know if they're normal...
This all depends on your swing speed my friend. Harder balls go farther for a person with higher swing speeds and softer balls go further for those individuals with lower swing speeds.
No, guinea pigs have relatively inflexible spines, and those balls force them to curve their back in a way that's painful and dangerous for them. This is true even of the larger balls that aren't so obviously painful for the pig to even get in, so it's best to just avoid them altogether.
well just go to any 6 gym leader place/city or farther you can get them at those poke marts
To get safari balls in Pokemon ruby you have to go to the safari zone and go up to the man and he will give you 30 safari balls
there is some kind of material in those kinds of sports balls, and with the more expensive balls, i guess it kind of has to fly further away.
Ladies golf balls are distance golf balls, they have very little spin. They go slightly father, but not by that much.
You can go to a pool and swim, go to the park and walk or run, go to the gym. There are many places to exercise.