I think it's too low. There are lots of good options for a suitable cage that don't have to cost too much. If you want to make another bin cage, there's the Samla Bin from Ikea - which also comes with a lid. An ideal bin is the Really Useful box 145 litre. It's more expensive at about £40 but is a really good size - not too big, not too small, and apparently the RUB bins are much easier to cut without cracking or breaking.
There is also the Duna Multy from Ferplast which is about £33. No diy and the bar spacing is small enough. I only know one place you can get it. The base comes in various colours but you don't get the choice I think - if you don't like the colour you can put stickers on it
It has a nice clear perspex top half so you can see your pet easily.
https://www.portonaquapet.co.uk/shop...a-Multy-M36261
I've also just got a robo and was trying to decide on cages. I wanted to go for a 100cm tank style and fill it with lots of substrate and loads of toys. Space didn't permit though as we already have a 100cm cage for our Syrian. I nearly got the duna multy, but opted for the Kerry Terrarium from Zooplus, which is a glass tank. It's about the same size as the duna multy but you can fit a bit more in because the corners are square. It's also slightly taller so you can fit more bedding in if required. But either would be fine. Delivery is free from Zooplus
Hamster Cages: great selection at zooplus: Small Pet Terrarium Kerry
There is also the 100cm version of the duna multy - the maxi duna multy, which is lovely. About the same height as the Kerry Terrarium but a longer version of the duna multy. It's quite expensive though - Porton have it on a Black Friday sale for £65 - but when I checked the postage it comes to about £85 with postage and it's normal price on Amazon is £80 to £90.
I would think you can't go wrong with a standard duna multy at £35 ish. No diy.
DIY cages are another option if you don't mind a bit of diy. The detolf is a popular option. If you have the space. It's an Ikea glass cabinet tipped on it's side and the door left off. You need to make two lids for it out of wood and mesh. A lot of people stand them on Ikea Kallax units. If you have some of those it might be a good option. If not, then buying the kallax units bumps the price up - although you do gain a lot of storage! It takes a lot of filling and you would need plenty of enrichment - a platform, lots of toys and hides (home made ones or cardboard boxes are fine) so it isn't too open and exposed inside, and lots of substrate.
DETOLF Glass-door cabinet Black-brown 43x163 cm - IKEA
https://www.google.co.uk/search?q=de...w=1525&bih=678
I think a platform or level is really important in a cage for a hamster. It is something for them to sit under and feel safe, and they also seem to like climbing onto a platform and having somewhere to sit.
For that reason I found the kerry terrarium easier to set up than the duna multy, but you could still find or make a platform that would fit in the duna multy.
When you move your hammy over, move all the existing substrate as well, and don't be tempted to clean the cage first. It helps them settle in if everything smells familiar because a cage move is very stressful - but doesn't have to be - it can be a good thing.
You will probably need more substrate than you have now, in a new cage, so add new substrate then put all the old substrate on top. Move over any houses, toys or wheels without cleaning them, and try and put them in a similar position/layout to how they were before. Adding new things is ok too.
To stop robos feeling scared they need lots of hidey places to dart around in so plenty of overhead cover by way of a platform, tubes and tunnels and things like egg boxes with a hole cut in, or other hides. I like the large cork logs - they make a big tunnel to run through or sit under, are an interesting texture, they're light so don't sink on them if they tunnel under it, and are also something to climb over. I use one as a ramp up to a platform.
This is our Robos Kerry set up - just to give an idea - you could do something similar in the Duna Multyor a bin cage. The Kerry comes with two wood houses - I used one of them, but our robo ignores it lol, and nests under the shelf.
I would be tempted to go with either a duna multy, the 145 litre RUB bin or a Kerry Terrarium. Unless you really want a detolf
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