


🐹 Build the ultimate critter kingdom—because your pet deserves a playground as ambitious as you are!
The Kaytee CritterTrail Fun-Nels Tee is a 2.25-inch diameter plastic tube designed to expand and customize small animal habitats. Featuring universal snap-on connector rings and ventilation holes, it ensures a safe, breathable, and secure passageway for your pet. Available in assorted colors, these durable tubes are easy to clean and perfect for creating a vibrant, interactive living space for active small pets.










| Breed Recommendation | Small |
| Customer Reviews | 4.3 out of 5 stars 12,225 Reviews |
| Material | Plastic |
| Mounting Type | Free Standing |
| Product Dimensions | 3.6"L x 3"W x 2.3"H |
| Recommended Uses For Product | Active |
| Specific Uses For Product | Active |
B**A
Endless possibilities & interchangeable fun for your hamsters
These tubes worked great for my syrian hamsters. They love to climb around in them & run across the top of them like a bridge. Granted it takes a few packs of these tubes to really build something fun and creative for the hammies but I have found that this exact pack of tubes generally runs at a cheaper selling price on Amazon than in most of my local pet stores such as Petsmart, Petco & also at Walmart. I also searched on other websites because I was looking to buy in bulk but I was still unable to find a better deal on this particular product than on Amazon. Most offer this product in the price range of $15 to $26 with an added shipping & handling fee but I was able to purchase mine here for $12 with free prime shipping! Can’t beat that deal As far as the quality of the tubes, they are made very sturdy to where they will not easily fall apart while your hamster is running around in them but this does make for a slightly difficult connecting process & a bit more challenging disconnecting of the tubes. Though if done in a patient and gentle manner, these tubes can be taken apart and reassembled without too much hassle and without breaking them. The magic is in the plastic ring at the end of each tube. You just have to not yank them apart as this can cause breaking or chipping of the tube. Also if you have a hamster that likes to devour plastic & munch on it for a chew toy, it is good to provide them with some sort of wooden snack hut or chew block to help detour them. If that doesn’t work then you can rub some vinegar or lemon juice in the area which they are chewing away & they will most likely lose interest & stop eating their tunnel highway. I would definitely recommend this product to any hamster owner looking to help entertain their critters!
A**A
Great Tubes
Great tubes for our Syrian hamster. I tried putting them in such a way that the hamster could go “underground”. But that was quickly undone after one day when the hamster loved it so much it stayed underground and poop and peed all over the tubes and was chewing them up. Keeping them above ground solved the issues.
K**D
Great for dwarf hamsters (& I hope you have strong nails)
Skip to the 2nd paragraph for the review - The photo I attached to my review shows, from top to bottom: the Habitrail OVO tube, Crittertrail straight 10" tube, two connected Habitrail OVO elbows, two connected Crittertrail elbows. You can really see how much smaller in diameter these Crittertrail tubes are - I recommend them for mice and dwarf hamsters. I do not recommend Crittertrail for Syrian hamsters (teddy bear hamsters), the tubes are just too small to be safe, and instead I would recommend the Habitrail OVO. I'm disappointed that Kaytee markets these tubes for Syrian hamsters because I think they stand a good chance of getting stuck (even if it's a "small" Syrian, if they stuff their cheek pouches full and then try to go through a Crittertrail elbow tube, I fear it would not go well). On to my review of these Crittertrail tubes, of which I have 4 of these value packs for my 2 Robo dwarf hamsters. I use them as fun little tunnel bridges between platforms in their bin cages, as well as a way to get up onto those platforms. I use zip ties to secure them in place. My robo hamsters love them, they have enough room to turn around inside a tube - robos are the smallest dwarf hamster at only 2" long, keep in mind. These Crittertrail tubes have nice ridges on the inside to help them climb. I previously used the Habitrail OVO tubes for them but those only have a few tiny ridges on the inside - my hamsters were slip 'n' sliding and struggling to climb a 45 degree angle in the Habitrail OVO tubes. Robos have furry-bottomed feet that don't grip to surfaces well, so the thick ridges in these Crittertrail tubes are great for them in that regard. A big complaint about these tubes is the connector rings, they are not easy to remove at all. I broke two fingernails trying to get the tubes apart before I remembered I had a retainer removal tool from when I got my braces off (I had Essix retainers which are kinda like Invisilign trays, and they were so tight on my teeth I needed this tool to remove them). It's a plastic tool with a little hook on the end, like a crochet hook, that is SO helpful in getting these Crittertrail tubes apart. If I didn't have this tool, I would probably hate these tubes. So, I docked a star for the connecting rings, I wish they were more like the twist 'n' lock rings that the Habitrail tubes have. EDITED to add: I found a crochet hook also works to get these Crittertrail tubes apart. And what works even better is soaking the tubes in hot water (not boiling water - the water I used was hot but still comfortable to put my hand in) - the heat softens up the connector rings a bit temporarily so that it's much easier to pull apart.
L**E
MUST HAVE
Works great my mice can't make a mess with their food anymore
J**Y
Very unfair reviews process because these are all different products!
You lose a star for this review process because these are all separate products that are not even in the same category and should be reviewed separately! Here is my honest breakdown if each that I purchased from this seller: 10 ' wide connector tube with door: I bought this not realizing it was so big, I just needed a straight 10 inches connecting tube between cages for my mice. It works but it's bigger than what I really needed. What is nice is that it has a door that opens making it easier to clean. It does seem a bit sturdier than the smaller tubes as well which always seem to split down the middle especially if they are curved. I often have to tape them. Kaytee Crittertrail has a great idea with their products but the cages are definitely too small and the materials are cheap to the point of being dollar store quality, made in China garbage. This particular product is decent though and I would recommend to people with larger pets like guinie pigs, rats, ferrits. 4 stars. Assorted connector tubes: these are just okay. Great idea, my mice love them to run from cage to cage and the idea is awesome for sure but the plastic is cheap and breaks easily if dropped and sometimes comes broken in the package. The plastic rings that go around the rims are hard and not easy to fit...it hurts my fingers and hands to try and get them on or off and I have broken nails trying to do this, also broke actual tubes trying to get them unconnected or connected properly, it should not be that difficult to snap/unsnap together when they are specifically for Kaytee cages but it is! Also the tubes often split at the seams, especially the curved ones or j tubes. I have had to tape them together all the way around and that's just ridiculous. Cheaply made with crap materials! I would recommend but with caution and I would NOT recommend the CritterTrail cages whatsoever. 3 stars. CritterTrail Food Dispenser: This is a decent product. Seems to fit well to CritterTrail habitats without spilling food into the habitat. Easy to fill and my mice like to stuff bedding into the hole to hide their food source! I would not have chosen yellow but that is what I got so it would be nice to have a choice of color since it does come in 3 colors. I would recommend this product. 4 stars. CritterTrail Lazy-Look-Out: This is a pretty good product. I like that it is not see through at the bottom so my mice feel protected. I like that there are plenty of airholes so they can smell what is going on, I like that the top comes off for easy cleaning. My Mice LOVE this so much they moved right in and built an entire nest in it and that is where they spend most of their time when they sleep and snuggle. I read a lot of comments that people apparently did not read the assembly instructions though because this product is meant to go through the TOP portholes of the CritterTrail cages and NOT the side/front doors! If you try to put a J Tube through the side/front door there will be nothing to secure the weight of the saucer and it will fall/swing so this is why the instructions very clearly say it is meant to go throught the top porthole which you need to punch out of your cage. There is no design flaw people, you just need to learn to read directions or use your brain. This really is a good product, in fact I just ordered a second one because my mice love it so much! I definitely recommend it. 5 stars. CritterTrail Loop-D-Loop: This product is ok. My Mice use it sometimes but not a lot. It's nice that it comes apart for cleaning. I do feel it is made with cheap plastic that is easy to break/cracking if dropped or you have trouble putting together the tubes and rings which can be difficult in fingers/nails/hands. I would recommend with caution as a go between accessory. 3 stars. CritterTrail Bathroom/Outhouse: This product seems ok, it snapped easily onto my tubing but it does seem to be made with the same very cheap plastic the tubes and CritterTrail cages are made with. Made in China. This plastic is very brittle and shatters/cracks/breaks easily if dropped or you push/pull too hard trying to fit the tubes and rings together. I mean you get what you pay for and this didn't cost very much so it is what it is I guess. It would be nice to choose your color, I thought I was getting green/purple and ended up with a bright red/purple. I would recommend with caution that you use with care especially when snapping in with tubing/door or cleaning because this will likely break easily. 3 stars Kaytee Crittertrail overall 3 stars. Has a good idea going esp with tubing and some of the accessories but because they manufacture in China with crap materials that break easily and because they make extremely small cages that are inhumane for the animals they market them for (I mean, the space and the wheels especially included are ridiculous and could cause injury....go watch the Kaytee assembly video for the 2 level Hamster cage, I couldn't believe they have an actual guinie pig in that cage! How is a guinie pig gonna fit through those tiny tubes made for mice or hamsters/gerbils!)
A**R
Better connectors than Habitrail
I like these "fun-nels" better than the Habitrail type, although the Habitrail are more transparent which makes viewing the hamsters a little easier. Habitrail and Critter Trail are interchangeable for the most part though, so I have a mix of both. Background: I have this cage: http://www.amazon.com/Super-Pet-Critter-Habitat-Hamsters/dp/B005FU4Z4W, which comes with a the cage, water bottle, food dish, and a basic set up of funnels to get to the "petting zone" that goes over the top of the cage. Pros of this set: The elbow pieces give you the ability to "grow" your hamster cage off the sides. You can build up and connect them to the "roof" of the cage or to the petting zone (if you have it). My Chinese Dwarf Hamsters are easily able to climb up and down these tunnels. They are skinnier than Habitrail though, so they might be too small for bigger hamsters. The connectors are SO much easier to use than the connectors included with Habitrail. These are simple pop on/pop off, where Habitrail you have to do some magic twisting to get it on the first tube, then some magic twisting to get it on the second tube, which half the time takes it off the first tube...it gets frustrating. These are much more straight forward -- pop them on the first one, pop the second one in place, DONE! Cleanability is good -- I take off different sections a couple of times a week (that have been pooped in/peed in) and clean them out, and then once a week I give the whole cage a thorough cleaning, running all of them through hot bleach water in the tub and letting them dry out completely before reconnecting. Cons: . You need more than one of these sets, or some other accessories, to make it worth while. What is included is shown -- 3 elbows, a "T" piece, 2 straight pieces (one huge one small), the lookout window, and the connectors. This is still a way better price value than buying them individually, but one set won't get you very far. The largest straight piece does connect to the "roof" of the cage though (it drops down into the cage a ways so the hamsters can climb straight up into it), which makes it nice. I plan on getting more of these sets as our St Hamsterville grows -- I recommend these to other hamster owners!
R**D
Very nice items to add to a habitat
I got these items a few months ago to add to my hamster cage all of them have worked out good but some of the items are better than others. A summary is below. Wheel: This is my favorite item. The wheel is outside of the cage so it does not take up any space in the cage. It can either attach to the outside of a cage or a end of a tube (both habit trail or critter trail tubes will work), it is my dwarf hamsters favorite wheel, it will run on it for hours every night. It is also silent if cooking oil is put on the axle for lubrication. Like any wheel it requires cleaning a few times a week, but it is easy to do. Outhouse: Also a very good item that can be used as a outhouse, den or dust bath, my hamster likes it a lot, and it is easy to clean. Circular tube: This item is OK, this item is not as good as the others because it can snap apart. This can be minimized if there are tubes both above and below it to help keep it together. This can be a good item but it must be used carefully because it can come apart, or cause the tubes to be too lopsided and tip over if they are not supported.
N**A
NOT FOR BIG LONG HAIRED HAMSTERS
I had bought this thinking that it would be so good for my hamster to have more exercise and be able to explore more than just. his house. I set it up and noticed that my hamster would go towards the tubes but not go in, when he eventually decided to go through, he was too big, he crawled in and tried to crawl out but had trouble, I had to pull part the tube for him to get out! I had decided that maybe I can salvage this and allow my hamster to still enjoy the wheel. I set it up where is was just the wheel attached to his home and thought that it would be perfect since my hamster had made his current wheel a bed. He had used it at first, but then I noticed that he had not come out of the wheel for about an hour. I took the wheel off thinking that he couldn't get to the little opening, but still, he stayed in. It was when I noticed that his hair had knotted around the wheel's center gear. I quickly tried to pull the wheel apart, but couldn't. It took me 10 MINUTES to pull it apart! My hamster's hair was knotted and had pinched a bit of his skin. I tried to best I could to unknot it and eventually did. He did loose a bit of hair, but overall got back in his out and ate. I have been keeping tabs on him to see how he is doing and he seems okay, but if I knew that I would have to go through all this trouble just for my hamster not to be able to use the tube or the wheel is frustrating. I do not recommend to hamster owners that have big or long haired hamsters.
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