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Hello, I'd like to ask if I can order 7 cm diameter plastic tunnels online. Can I combine a larger cage with a smaller one to give my hamster more space?
7 cm diameter tunnels and connecting two smaller cages
- Thread starter MonaHamster
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Hello. How big is the larger cage? 
It's better if hamsters have one large space rather than two smaller ones connected. It's because their cage or enclosure is their environment, or little world, so unbroken floor space and a good depth of bedding, gives them a full territory. In that space they can have different areas for digging, grooming, foraging, nesting, hoarding and wheeling and so on. When you connect two cages together with a tube (which can often be an escape route as well). They don't have a clear space. And can't quite have natural behaviours. In fact there is an interesting video on youtube with a smaller cage connected by tunnels to a larger tank. Initially the hamster went back and forth between them but only to use the wheel in the smaller cage. Once the wheel was moved to the larger tank, the hamster never went to the smaller one again and ignored the tunnels. That does tend to happen.
A smaller cage can still be useful at times, eg as a play area when you're doing a clean out etc, or maybe as a hospital cage (depending on the size). How big is your larger cage? If it's large enough then it might be better to get a playpen for out of cage time rather than attach another cage.
But to answer the question - I'm not aware of any 7cm tubes. There are 10cm rat tubes from Ferplast (and one from Savic). And they are not that cheap. I would suggest maybe looking at upgrading the main cage ............ What cage/enclosure do you have now, and do you have a photo? We can maybe advise better then.
It's better if hamsters have one large space rather than two smaller ones connected. It's because their cage or enclosure is their environment, or little world, so unbroken floor space and a good depth of bedding, gives them a full territory. In that space they can have different areas for digging, grooming, foraging, nesting, hoarding and wheeling and so on. When you connect two cages together with a tube (which can often be an escape route as well). They don't have a clear space. And can't quite have natural behaviours. In fact there is an interesting video on youtube with a smaller cage connected by tunnels to a larger tank. Initially the hamster went back and forth between them but only to use the wheel in the smaller cage. Once the wheel was moved to the larger tank, the hamster never went to the smaller one again and ignored the tunnels. That does tend to happen.A smaller cage can still be useful at times, eg as a play area when you're doing a clean out etc, or maybe as a hospital cage (depending on the size). How big is your larger cage? If it's large enough then it might be better to get a playpen for out of cage time rather than attach another cage.
But to answer the question - I'm not aware of any 7cm tubes. There are 10cm rat tubes from Ferplast (and one from Savic). And they are not that cheap. I would suggest maybe looking at upgrading the main cage ............ What cage/enclosure do you have now, and do you have a photo?
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The thing is, I had to buy a cage quickly because a friend of mine got a pregnant female long-haired Syrian hamster from the pet store, even though it was supposed to be a male, and she didn't want anything to happen to the little ones.Even though the cage is large, it unfortunately doesn't meet the requirements for a larger cage, and I don't have the space for a larger one. Despite everything, I try to take care of my hamster, and he's happy. I want him to feel good and I've noticed that from the beginning he doesn't want to be in a larger space, I don't know what's causing it. My friend was like that too and didn't eat much, but he perked up with me. I took him to the vet and he's healthy, but the vet said he might have some anxiety. (The hamster's name is Ivy and he's happy now and checks on me.)
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Welcome to the forum. It's good that Ivy is overcoming his anxiety and has you as a friend. Do you take him out in the room for a run? Has he got a wheel. The hamster wheel can be an investment ❤
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He has a wheel but he doesn't want to leave the cage.
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It can take them a couple of weeks to really settle into a new environment and feel confident in their cage or enclosure so that sounds normal 
Is difficult if space is an issue. How big is his cage? If it’s only slightly undersized it may be fine. You could also maybe see if rearranging the odd thing could make a bit more space for an enclosure. With our first hamster I didn’t have much floorspace and stupidly bought a cage to fit the space - taller with levels. And very quickly realised it was a problem - the hamster got cage rage and stuck in some tunnels. So I googled and found they needed a bigger cage (at the time the minimum recommended was 80 x 50. I had a large coffee table at one end with storage - which wasn’t actually used as a coffee table - so I got a tall shelf unit and shifted the coffee table out - ended up with much more floorspace and much more storage! I was quite pleased with myself! In the end I had space for a 100cm cage.
Also a 100cm cage will usually fit on top of a chest of drawers - even if there’s a bit of overhang. Although if it’s a small apartment eg that can be trickier
Is difficult if space is an issue. How big is his cage? If it’s only slightly undersized it may be fine. You could also maybe see if rearranging the odd thing could make a bit more space for an enclosure. With our first hamster I didn’t have much floorspace and stupidly bought a cage to fit the space - taller with levels. And very quickly realised it was a problem - the hamster got cage rage and stuck in some tunnels. So I googled and found they needed a bigger cage (at the time the minimum recommended was 80 x 50. I had a large coffee table at one end with storage - which wasn’t actually used as a coffee table - so I got a tall shelf unit and shifted the coffee table out - ended up with much more floorspace and much more storage! I was quite pleased with myself! In the end I had space for a 100cm cage.
Also a 100cm cage will usually fit on top of a chest of drawers - even if there’s a bit of overhang. Although if it’s a small apartment eg that can be trickier