On the surface it looks like you might be onto a win.
Now to nit-pick cause it's what I'm good at. the backing is most likely nailed on 2mm thick fibreboard that probably ought to be replaced with something a bit more sturdy and able to absorb atleast a small amount of moisture and ought to be affixed with something more sturdy.
Ummmm actually that's all I can think of, but I have no experience so I'm sure someone else can point things out that I'm oblivious to.
height 11cm :/ just ova 4 inch bit small i think + you can get a viv exotic 2ft for about 35 on the net think it was from surrey pet supplies but not positive.
thats the packaging height NOT the assembled height, the hieght is 38 depth is 40 and the width is 60, and i found some reduced at the leeds branch because some exdsplay corners was chipped £10 a piece just got to find the runner and glass..... just got the off ebay 2x2ft vivs £30-£40 not bad even by surrey pet supplies prices do you think????