Very secure for hamsters for like playing Houdini
355632
No successful escapes. Ordered two of these for my daughters hamsters. Put on top of a 10 gallon aquarium and they have a decent amount of room to live vs small one level cages that really are too small for these wonderful pets to live in. The wire cage securely attaches with springs to the aquarium. I've never had to worry about them being able to escape as we have a cat. Included a water bottle and food dish!

A little difficult to attach some of the landings and they don't stay in place well when you remove the wire cage from the aquarium to clean it. That is my only disappointment.
1489919
I got one of these for our household hamster - she's a Dwarf hamster and I read they like dust baths. She seems to like the dust all right but she doesn't roll in it often. Mostly she just drags her litter in there and likes to snuggle down and chew on the side. She chews a lot more than any other hamster I've had (I've owned around 30 over my lifetime) - the Hamster Bath is made of ceramic so she can't damage it and it can't hurt her. It makes a sound like a little bell when she chews but that's about it.

My oldest child accidentally dropped the bath on a tile floor and it shattered. Our hamster missed it so much we wound up buying another one. She's already moved her litter in on top of the dust and was just chewing the side this morning. All's well in the cage.

Cleaning this thing is a breeze: You just dump the dust out and refill. Our hamster uses it as a step ladder too so it sometimes gets urine on it. A quick rinse off has it looking like new since the ceramic is glazed. A real winner all around.
2233576
The thing that makes this "stunt" especially cool (gasps from the kiddos almost every time) is the gap in the treads on the track partway down--so the hamster, on the ball, actually befalls for a brief moment before the track catches it, and a safe landing occurs.
It has been a little tricky for my kids to secure the ball to the track, but I (an adult) haven't had any trouble.
Overall, this is a fun accessory for the Amazing Zhus.
1022090
I'm hamster sitting for a friend, and they have a couple of these dens.  I think they're great.  It's a syrian hamster, and it doesn't seem even close to being able to open it...  maybe the other reviewer has a real hulk of a hamster, though.

One caveat, though: open the den with care.  The way it opens, the lid actually intersects with the entrance tube.  So, if you're an absent-minded sort, be careful not to hurt your hamster with the lid, and only let children use the cage under supervision.
3746561
Such a simple toy, but my hamster really loves it. She crawls in it, climbs on top of it, rolls it over, pulls it apart (and adds the fibers to her nest). She really loves playing with this -- hours of fun for such a simple, inexpensive item. Highly recommend.
4158832
My Syrian Hamster absolutely loooooves his tunnel. During his play time, we take the tunnel out and let him run around in it, but during the day, we make it compact and he loves in as a hideaway in his enclosure. Totally would recommend for any size hamster.
1429925
I love this cage, however at first I wasn't to sure about it. I got my little Robo (GusGus, Gus for sort) when he was extremely small, I immediately began searching for a new home for him and came across this. When you open the box the first thing you notice is just how many pieces go into this thing as a whole. It took about 30 minutes to figure out the first time I put it together, I say first time because you need to literally take the whole thing apart again once a week every time you clean it. After a little over a month now with the cage I can put it all back together in about 10 minutes. My little robo loves running around this thing, At first he was scared of the tubes so I set it up with the tubes laying down for about 2 weeks slowly raising it, I still don't keep it completely vertical. The side den has been designated his little hangout area I usually take him out from there during the day. He loves sleeping and storing his favorite treats under the little stairs. Speaking of the stairs, at the top is the food bowl, I had to train him to climb up there by putting a treat for him to find, I used a regular food dish till I was certain he could get up them easily, it took a while. On the top is the "travel" bubble, I put some chew toys and treats in here to encourage him to climb up the tubes regularly.

This set is not perfect and has a few inconveniences. I highly recommend buying a small wheel and taking out the one that comes with it. The Wheel is VERY Big and looks awesome but has very dangerous slits in it. My hamster's so small his leg fell through as soon as he climbed in. Once it's out there is more then enough space for a regular one. The other problem that I encountered was with the water bottle. He couldn't figure it out and was just kinda sitting under it while it dripped on his back. He eventually start figuring it out but then when I went to change the water one day the cap just wouldn't come off. I tried everything to pop it off but it was on there good, they are odd cause they aren't screwed on the just kind of pop on. I let my friend try and from all the pressure we put on it it cracked. I did figure out how to pry it off after the crack but by that point it was useless. I had to use a regular water bottle which I hung through the hole attached to my desk. It works and he gets his water but it can become dangerous. The hole in the tube is very small but if your hamster pushes hard enough it could probably get its head out enough to the point where it would become stuck, My hamster was constantly trying to do this till I bought some extra pieces to expand his home and replaced the bottle.

**
My favorite part of this set was being able to expand it. The tubes used in this set are the same ones from the Habitrail Mini series, just in a slightly different color tone. If you want more tubes those are the ones to buy otherwise your hamster won't be able to grip them to climb. Don't get the curved tubes unless you plan on laying them flat though cause from experience Robos just hate them when slanted, If your going vertical make sure they are the straight ones. I also recommend picking up the mini maze, My hamster loves it and its also a great little den if you decide to take out the cardboard. I also bought the ovo Home, The bubble is the same size as the large maze. If you want to buy the maze, the trainer wheel (much better then the other ones even though its one of those outside ones this company makes), and a second water bottle this is the one to buy as you save a great deal of money compared to buying them separately, plus it matches this set in color. The last set I highly recommend is the Habitrail Twist cage. The Twist is the perfect expansion, it lets in a a lot of air to cool down the habitat, matches ascetically, and adds tons of space for toys. The twist it also the cage I take if I'm going anywhere with him for whatever reason.
1007344
I recently purchased this for my syrian hamster and I really like it!!! Its the same color as advertised and is a perfect size for my hamster to walk on it and under it. I gave it four stars for two reasons.  1. Not a good size for guinea pig / rabbit  I think the smaller size should be for a dwarf, winter white, or robo hamster and the large should be for syrians. The small might be too small for a syrian to go through and large would be too small for a guinea pig or a rabbit to fit through, but maybe a baby guinea pig would fit.  2. Splinters  I did spot some splinters on the edges of each log but I cut them with scissors to make them harmless. Overall if you have a dwarf, winter white, or robo get the small and if you have a syrian or a baby guinea pig get the large. P.S. have a pair of scissors also just in case; )
1625756
Not escape proof, but it's flimsy. I like the way it looks, but I wish they had put more locks around it or something because it's not very secure. My hamster's cage was in the living room but my hamster, Terrance Peterson, was in the room watching me when I woke up.
1356711
We purchased this cage for our four Roborovski dwarf hamsters and it is working out just splendidly. The greatest benefit is that the wire mesh is tight enough that these little ones cannot get out "through the bars," as they are always able to do with most hamster cages. While the wheel itself is MUCH to large for their weight to operate, we simply put a peg in to stop it from turning and inserted a small wheel in the lower space. The two doors provide great access and the small house is a perfect fit for creatures their size. Also, the expansive ability makes this a great buy. We can't wait to hook up the 30 feet of tubing we just bought from SuperPet. (Also, for Roborovski's, this is an easy to clean cage and again, just the right size.)
890940
I got this cage from Petco today and I have 2 syrian hamsters. They seem to love it the one hamster I have loves to climb and be up high while my other hamster likes to be low to the ground. The feeder is a bit too deep for my hamster who loves to climb. Putting it together only took a minute. So far so good. I will update if there is any changes
1972337
I bought this at the store, not amazon, but our dwarf hamster LOVES it! I was worried about him being able to get up and down at first since he's so small, but he can do it.
2056901
Love this toy. My hamsters eve and Damian loves these toys and i can build one or many toys and I made two or three toys for each hamster. They play in thier toys all the time and build little nests in them all the time.
1101816
I got this for my Syrian hamster and its perfect! Id been looking for a bigger cage for her for a while and this one was the winner! She adores it and the bar spacing is perfect so she cant escape. The bars may be a bit flimsy like others have said she actually bit one so much the welding came off on the corner and its like halfway off but honestly even if your hamster does like to bite the bars of the cage its a good investment its long lasting!! So happy!
2076383
Super simple to set up, the hamster we have is a Russian Dwarf and she is TINY but has no issues going all over.
1626368
Sturdier than other similar cases from this brand and in this price range. Feels pretty secure and was designed well. The pink is very pretty and looks adorable once assembled. My hamster loves the top part of th cage, this is where she spends all of her time sleeping. The wheel is pretty small and putting a bigger wheel in there is kind of hard with that top portion that hangs down and takes up room. I just got another cage and connected them and put a bigger wheel in that one instead. Overall, I highly recommend this cage and would definitely purchase it again!
2703292
Neat add on to a hamster habitat, provided you have sufficient connecting ports in the cage