Inedible as in anything that isn’t food (ranging from something that would be dangerous, like glass, poisonous plants, or uranium, to something that is safe to eat but unpleasant with no nutritional value, like cardboard.) Eating the thing will be safe and painless.
Yes. There could be ANYTHING in them like a dirty bomb or drugs.
I thought it was a dumbass concern of a child swallowing the toy capsule whole?