They should be at least 2 months old. They should be drinking water and eating solid food before you can take them away from their mother.
She wanted to adopt a pet guinea pig or any other animal you would like
yes. I had a 2 year old guinea pig and a 6 month old and the were great together.
You take care of it until a person comes to adopt it.
You can go to a pet store, look online for breeders or shelters in your area as well as checking your local paper for any guinea pig there.
no, g pig moms don't eat there young
The children should be nice to the guinea pig and make sure you ask if it is known for biting
Ask the vet.
Yes, they do learn faster than the older ones.
10 weeks
yes
This isn't a very good idea. A young guinea pig will still have the scent of its mother, so there's every chance the father will try to breed with it, or even fight with it. It's better to put a young guinea pig in a separate cage completely.
A guinea pig is 'un cochon d'Inde' in French.