Updated pictures of Hamstertropolis. Not the clearest and I haven't hoovered the floor, but you can get the idea!

Whole setup:


Himalaya's (robo hamster) cage:
It's a Crittertrail Medium Discovery, a Habitrail Ovo Pad Unit, a Habitrail Ovo Maze Unit, a Habitrail Playground, a Habitrail Mini Main Unit and a mixture of Habitrail Ovo, Habitrail Space, Habitrail Playground and Habitrail Mini tubing.


Acorn's (robo hamster) cage:
It's a Crittertrail Mini Two Unit, several Habitrail Ovo Pad Units, several Habitrail Ovo Maze Units, several Habitrail Mini Main Units, several Habitrail Ovo Adventure Packs, a Habitrail Safari Tower and Loft, a Habitrail Mini loft, a Habitrail Mini Maze, a Habitrail Old Style Maze and a mixture of Habitrail Ovo, Habitrail Space, Habitrail Playground, Habitrail Safari and Habitrail Mini tubing.


Merlin's (syrian hamster) cage:
It's an Imac Fantasy, Fantasia Three Storey, Habitrail Space Orbiter, A Doro the Explorer, A Habitrail Spaceship and a mixture of Habitrail Ovo and Habitrail Space tubing.


Noël's (syrian hamster) cage:
It's an Imac Fantasy and Savic Cambridge with Habitrail Space tubing.