No, defiantly not. It could potentially be very harmful to the hamster.
Close the door of the cage. To keep your small animals cage shut, you should close the doors. If you don't feel safe with that, attach little clasps for axtra precaution.
No, it is not safe.
(there is a lot to do to keep a hamster cage safe so read carefully) you can keep the cage safe by keeping sharp objects out and away from the cage, keeping other breeds/younger hamsters out of the cage(unless the little ones are its babies and unless one type of breed lives in there.), putting safe food in(hamster food from pet stores, a tiny piece of fruit once in a while, yogurt drops, etc) putting in fresh water, keeping it in a calm environment, giving it a wheel,and keeping other pets away(especially cats and dogs) .
Clearco 444 is safe to use on EVA foam. -Get it at foam and upholstery stores and possibly stores like Michaels.
Some foam mattresses are safe for babies, you have to verify it though by reading any warnings.
No. It would not be safe or healthy for the hamster.
"CA" means cyanoacrylate. You want "foam safe CA."
http://www.cavycages.com provides information on SAFE inexpensive home-made cages that owners can make.
no, lettuce is perfectly safe for hamsters. i am glad you are concerned about your fellow hamster.
No. Most guinea pig cages are cat safe. If the cage is enclosed your guinea pigs should be fine. It is safest to have a latch though just in case.
You should put your hamster in a safe place, or have someone else hold it for you. If you have a hamster ball, let your hamster exercise in that while cleaning out it's bedding.
yes